nounpl. -·mings or -·ming
any of various small, mostly arctic rodents (family Cricetidae) resembling mice but having short tails and fur-covered feet: some species (esp. genus Lemmus) undertake mass migrations at peaks of population growth
Origin of lemmingDanish from Old Norse læmingi, lemming, origin, originally , probably “barker” from Indo-European echoic base an unverified form l?- from source Classical Latin latrare, to bark, lamentum, lament
Any of various small, thickset rodents of the subfamily Arvicolinae, especially of the genus Lemmus, inhabiting northern regions and known for periodic mass migrations.
Origin of lemmingNorwegian from Old Norse læmingi, læmingr