acrostichal

adjective

acros·​ti·​chal ə-ˈkrȯ-sti-kəl 

-ˈkrä-

: situated in the highest rank or row

—used of certain bristles on the mesonotum of muscoid flies

Word History

Etymology

acr- + -stich + -al

First Known Use

1879, in the meaning defined above

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