mammillary

adjective
mam·​mil·​la·​ry | \ ˈma-mə-ˌler-ē How to pronounce mammillary (audio) , ma-ˈmi-lə-rē How to pronounce mammillary (audio) \
variants: or mamillary

Definition of mammillary

1 : of, relating to, or affecting a nipple, breast, or duct of the mammary gland mammillary tissue a mammillary fistula
2a : resembling a breast or nipple especially in having a rounded shape the mammillary process of a lumbar vertebra
b : studded with breast-shaped protuberances mammillary forms of agate
3 : of or relating to a mammillary body the mammillary region of the brain mammillary nuclei

First Known Use of mammillary

1615, in the meaning defined at sense 2a

History and Etymology for mammillary

earlier mammillar "shaped like a nipple" (borrowed from Medieval Latin mammillāris, from Latin mammilla, mamilla "breast, nipple"—diminutive of mamma "breast"—+ -āris -ar) + -ary entry 2 — more at mamma

Keep scrolling for more

Learn More about mammillary

Statistics for mammillary

Look-up Popularity

Time Traveler for mammillary

The first known use of mammillary was in 1615

See more words from the same year

Keep scrolling for more

More Definitions for mammillary

mammillary

adjective
mam·​mil·​la·​ry
variants: or mamillary \ ˈmam-​ə-​ˌler-​ē How to pronounce mamillary (audio) , ma-​ˈmil-​ə-​rē How to pronounce mamillary (audio) \

Medical Definition of mammillary

1 : of, relating to, or affecting a nipple, breast, or duct of the mammary gland mammillary tissue a mammillary fistula
2 : resembling a breast or nipple especially in having a rounded shape the mammillary process of a lumbar vertebra
3 : of or relating to a mammillary body the mammillary region of the brain mammillary nuclei

More from Merriam-Webster on mammillary

Rhyming Dictionary: Words that rhyme with mammillary

Comments on mammillary

What made you want to look up mammillary? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to form ideas or theories about something

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!