Word.ws English Dictionary

mast-

mast- prefix: mastoid process.

Prefix (1)

mast-

  1. mastoid process.

Prefix (2)

mast-

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

Synonyms of mast-

Forms of mast-

alternative formmasto-

Origin of mast-

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

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

Words formed from mast-

Questions about mast-

What does mast- mean?
Mast- means mastoid process.
What part of speech is mast-?
Mast- is a prefix.

Words near mast- in the dictionary

  1. mast seedings
  2. mast step
  3. mast steps
  4. mast year
  5. mast years
  6. mast-
  7. mast-o-khiar
  8. masta
  9. mastaba
  10. mastabah
  11. mastabahs

Source and license

Adapted from Wiktionary: mast- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “mast-.” Word.ws, https://word.ws/mast-. Based on Wiktionary, CC BY-SA 4.0.