prefix ·Rare ·Advanced level

Definitions

Prefix

1. 1
   mastoid process. morpheme
2. 2
   Relating to a breast or nipple. morpheme
3. 3
   Relating to homologous mammary organs, such as udders. morpheme

Synonyms

All synonyms

mammo

Etymology

Etymology 1

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

Etymology 2

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

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.