Any of various small, thickset rodents of the subfamily Arvicolinae, especially of the genus Lemmus, inhabiting northern regions and known for periodic mass migrations.
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 lemming
Norwegian from Old Norse læmingi, læmingr
American Heritage Dictionary of the English Language, 5th Edition
Lemming Sentence Examples
The reindeer, arctic fox (Canis lagopus), hare, wolf, lemming (Myodes obensis), collar lemming (Cuniculus torquatus) and two species of voles (Arvicolae) are the most common on land.
The circumpolar lemmings of the genera Lemmus and Dicrostonyx are noticed in the article Lemming.
When was the last time you saw a cobra trying to find a cure for mongooses, or a lemming trying to prevent cliffs?
Flocks of geese and other birds come to the islands from the north (Bunge and Toll), as also the gull Lestris pomarina, which feeds chiefly on the lemming.