Definition of mamelon in English:

mamelon

Line breaks: mam|elon
Pronunciation: /ˈmamɪlən
 
/

noun

Biology
  • A small rounded structure, e.g. the central knob of a tubercle on a sea urchin.
    More example sentences
    • Associated with mamelons are canals called astrorhizae.
    • The only adults with mamelons have an ‘open bite,’ which means that the front teeth don't touch each other, and the wearing off of the mamelons doesn't take place.
    • The second type is similar to the first in having laminae and possibly pillars, yet it lacks the mamelons.

Origin

mid 19th century: from French, 'nipple', from mamelle 'breast', from Latin mamilla 'little breast'.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day kerf
Pronunciation: kərf
noun
a slit made by cutting with a saw