noun Cleth·ri·on·o·mys \ˌklethrēˈänəmə̇s\

Definition of Clethrionomys

  1. :  a genus of rodents consisting of the red-backed mice

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Origin and Etymology of clethrionomys

New Latin, from clethriono- (modification of Greek kleithrion, diminutive of kleithron entrance of the windpipe, from kleiein to close) + -mys — more at close

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a trip made at another's expense

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