Definition of exaptation in English:

exaptation

Line breaks: ex|ap¦ta¦tion
Pronunciation: /ˌɛksapˈteɪʃ(ə)n/

Entry from British & World English dictionary

noun

[mass noun] Biology
1The process by which features acquire functions for which they were not originally adapted or selected.
1.1 [count noun] A character or feature which evolved by the process of exaptation.

Origin

1980s: from ex-1 + aptation as in adaptation.

Definition of exaptation in:

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eat or drink (something) greedily