exciple

noun
ex·​ci·​ple | \ ˈeksəpəl\
variants: or less commonly excipule \ -​ˌpyül \
plural -s

Definition of exciple

: a saucer-shaped rim around the hymenium of various lichens formed (1) from the hypothecium or (2) from the upper layer of the thallus

called also respectively 1proper exciple, 2thalloid exciple

History and Etymology for exciple

New Latin excipulum, from Latin, a kind of vessel, from excipere

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