plural ptilina
: a vesicular organ on the front of the head of flies that assists in rupturing the pupa case and shortly afterward shrinks away

Word History


New Latin, probably from ptil- + Latin -inum (neuter of -inus -ine)

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Dictionary Entries Near ptilinum

Cite this Entry

“Ptilinum.” Dictionary, Merriam-Webster, Accessed 13 Jul. 2024.

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