sea lion

/ˈsiː ˈlaɪən//ˈsiːˌlaɪən/

noun

A pinniped of most genera in the family Otariidae (the eared seals).

“Near-synonym: sea puppy (a seal; informal, humorous)”

Similar

Meanings

nounsea lion (plural sea lions)

plural sea lions · alternative sea-lion · alternative uncommon sealion

  1. A pinniped of most genera in the family Otariidae (the eared seals).

    Near-synonym: sea puppy (a seal; informal, humorous)

    4 more examples

    But Sophia's mother was not the woman to brook defiance. After a few moments' vain remonstrance her husband complied. His manner and appearance were suggestive of a satiated sea-lion.

    1921, Ben Travers, chapter 6, in A Cuckoo in the Nest, Garden City, N.Y.: Doubleday, Page & Company, published 1925, →OCLC

    Peek a Boo said, "I'm sorry guys, please tell my father that I'm ok. You see, I'm trying to become the first sea lion to become a Navy Seal.” The Jamaican Shaken Crabs looked at each other and said, “I don't know if your father told you, but you're a sea lion and no sea lion has ever become a Navy Seal."

    2010, Larry Medina, The Adventures of Peek a Boo the Sea Lion, unnumbered page

    Sea lion pups are born with baby teeth, but most of these are replaced with permanent adult teeth by the time the pup is four months old. An adult sea lion has a total of 34 to 36 teeth, with 10 incisors in the front (six in the upper jaw and four in the lower jaw) plus two long canines and 10 to 12 cheek teeth on each side. Sea lions do not chew their food.

    2013, Caroline Arnold, Sea Lion, page 28

    When people ask me what the circus is really like behind the scenes, I tell them about runaway gypsy wagons, vanished acrobats, desperate ringmasters and recalcitrant sea lions to name a few.

    2013, Paul Binder, Never Quote the Weather to a Sea Lion: And Other Uncommon Tales from the Founder of the Big Apple Circus, page 6

    Synonyms: sea puppy

  2. governmentA monster consisting of the upper part of a lion combined with the tail of a fish (a lion marined).
  3. UShistoricalslangA steamer transporting cattle from the ports of Texas.
  4. UShistoricalslangA cow or bull transported by steamer from the ports of Texas.
verbsea lion (third-person singular simple present sea lions, present participle sea lioning, simple past and past participle sea lioned)

present singular third person sea lions · participle present sea lioning · participle past sea lioned · past sea lioned · alternative sea-lion · alternative uncommon sealion

  1. alternativerareAlternative form of sealion (“engage in disingenuous debate”).

Synonyms & antonyms

nounA pinniped of most genera in the family Otariidae (the eared seals).

Similar

Origin

From sea + lion, named from its marine habitat and its lion-like barking roar and mane. Compare Middle English see hound, cee-hound, se hound (“beaver”, literally “sea-hound”).

Full word history & related roots →

Translations

Arabic أَسَد بَحْر, كَلْب البَحْر
  • أَسَد بَحْر (ʔasad baḥr)member of the Otariidae family
  • كَلْب البَحْر (kalb al-baḥr)member of the Otariidae family
Catalan lleó marí
  • lleó marímember of the Otariidae family
Chinese Mandarin 海獅 /海狮
  • 海獅 /海狮 (hǎishī)member of the Otariidae family
Czech lachtan
  • lachtanmember of the Otariidae family
Danish søløve
  • søløvemember of the Otariidae family
Dutch zeeleeuw
  • zeeleeuwmember of the Otariidae family
Esperanto marleono
  • marleonomember of the Otariidae family
Estonian merilõvi
  • merilõvimember of the Otariidae family
Finnish haaremihylje, korvahylje
  • haaremihyljemember of the Otariidae family
  • korvahyljemember of the Otariidae family
  • merileijonamember of the Otariidae family
French otarie
  • otariemember of the Otariidae family
German Seelöwe
  • Seelöwemember of the Otariidae family
Greek θαλάσσιο λιοντάρι
  • θαλάσσιο λιοντάρι (thalássio liontári)member of the Otariidae family
Hebrew אֲרִי יָם
  • אֲרִי יָם (arí yam)member of the Otariidae family
Hungarian oroszlánfóka
  • oroszlánfókamember of the Otariidae family
Icelandic sæljón
  • sæljónmember of the Otariidae family
Irish rón mór, mór-rón
  • rón mórmember of the Otariidae family
  • mór-rónmember of the Otariidae family
Italian otaria, leone marino
  • otariamember of the Otariidae family
  • leone marinomember of the Otariidae family
Japanese 海驢, 葦鹿
  • 海驢 (ashika)member of the Otariidae family
  • 葦鹿 (ashika)member of the Otariidae family
Korean 바다사자
  • 바다사자 (badasaja)member of the Otariidae family
Lithuanian jūrų liūtas
  • jūrų liūtasmember of the Otariidae family
Malay singa laut
  • singa lautmember of the Otariidae family
Māori rāpoka, whakahao
  • rāpokamember of the Otariidae family
  • whakahaomember of the Otariidae family
  • kakemember of the Otariidae family
  • whakahaomember of the Otariidae family
Norwegian Bokmål sjøløve
  • sjøløvemember of the Otariidae family
Polish lew morski
  • lew morskimember of the Otariidae family
Portuguese leão-marinho
  • leão-marinhomember of the Otariidae family
Romanian otarie, leu-de-mare
  • otariemember of the Otariidae family
  • leu-de-maremember of the Otariidae family
Russian морско́й лев, сиву́ч
  • морско́й лев (morskój lev)member of the Otariidae family
  • сиву́ч (sivúč)member of the Otariidae family
Spanish león marino, lobo marino
  • león marinomember of the Otariidae family
  • lobo marinomember of the Otariidae family
Swahili simba wa bahari
  • simba wa baharimember of the Otariidae family
Swedish sjölejon
  • sjölejonmember of the Otariidae family
Thai สิงโตทะเล
  • สิงโตทะเล (sǐng-dtoo-tá-lee)member of the Otariidae family
Turkish denizaslanı
  • denizaslanımember of the Otariidae family
Cite this entry
APA

sea lion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sea%20lion

MLA

“sea lion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sea%20lion. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sea lion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sea%20lion.

Source: sea lion on Wiktionary, CC BY-SA 4.0.