rhab·​dom ˈrab-ˌdäm How to pronounce rhabdom (audio)
variants or rhabdome
: one of the minute rodlike structures in the retinulae in the compound eyes of arthropods

Word History


borrowed from German Rhabdom, borrowed from Late Greek rhábdōma "bundle of rods," from Greek rhábdos "rod, wand" + -ōma -ome — more at rhabdo-

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of rhabdom was in 1878

Dictionary Entries Near rhabdom

Cite this Entry

“Rhabdom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rhabdom. Accessed 1 Apr. 2023.

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