Meanings
nounthreadfin (plural threadfins or threadfin)
plural threadfins
- Any of many fish of the family Polynemidae.
Origin
From thread + fin. Named so because of the thread-like free sensory filaments at the base of each of their pectoral fins.
Full word history & related roots →Translations
Bulgarian пръстопер
- пръстопер (prăstoper)fish of the family Polynemidae
Japanese 燕鰶
- 燕鰶 (tsubamekonoshiro)fish of the family Polynemidae
Vietnamese cá nhụ
- cá nhụfish of the family Polynemidae
Rhymes & wordplay
Anagrams
Cite this entry
APA
threadfin. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/threadfin
MLA
“threadfin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/threadfin. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “threadfin,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/threadfin.
Source: threadfin on Wiktionary, CC BY-SA 4.0.