False colors scanning electron micrograph of a flea.
Meanings
Noun
A small, wingless, parasitic insect of the order Siphonaptera, renowned for its bloodsucking habits and jumping abilities.
A thing of no significance.
Verb
To remove fleas from (an animal).
Origin
From Middle English fle, from Old English flēah, flēa, from Proto-West Germanic *flauh, from Proto-Germanic *flauhaz (compare West Frisian flie, Low German Flo, Flö, Dutch vlo, German Floh, Icelandic fló), from pre-Germanic *plóukos, *plówkos, from Proto-Indo-European *plúsis (compare Latin pulex, Sanskrit प्लुषि).
The archaic plural fleen is from Middle English fleen, flen, from Old English flēan.
Alternative forms.
Modern English dictionary
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