adnate

adjective

ad·​nate ˈad-ˌnāt 

: grown to a usually unlike part especially along a margin

a calyx adnate to the ovary

adnation

ad-ˈnā-shən 

noun

Word History

Etymology

borrowed from Latin adnātus, agnātus, past participle of adnāscī, agnāscī "to be born in addition (to), grow later, grow as an addition (to)" — more at agnate entry 1

First Known Use

1648, in the meaning defined above