Medical Dictionary

cotyledon


cotyledon

noun cot·y·le·don \ˌkät-əl-ˈēd-ən\

Definition of COTYLEDON

1
:  a lobule of a mammalian placenta
2
:  the first leaf or one of the first pair or whorl of leaves developed by the embryo of a seed plant or of some lower plants (as ferns)
cot·y·le·don·ary \-ˈēd-ən-ˌer-ē\ adjective
March 03, 2015
thanatology Hear it
The study of death and grieving
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears