mast-

prefix

mastoid process.

Similar

Meanings

mast-1

prefix

alternative masto-

mast-2

prefix

alternative masto-

  1. Relating to a breast or nipple.
  2. Relating to homologous mammary organs, such as udders.

Synonyms & antonyms

Similar
Also see

Origin

mast- · prefix

  1. Ancient Greekμάσταξ“jaws, what chews”
  2. Englishmast-

From Ancient Greek μάσταξ (mástax, “jaws, what chews”).

Full word history & related roots →

mast- · prefix

  1. Ancient Greekμαστός“breast”
  2. Englishmast-

From Ancient Greek μαστός (mastós, “breast”).

Full word history & related roots →
Cite this entry
APA

mast-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mast-

MLA

“mast-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mast-. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mast-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mast-.

Source: mast- on Wiktionary, CC BY-SA 4.0.