nounpl. -·gans or -·gan
any of a genus (Lagopus) of brownish arctic, subarctic, or alpine grouse with feathered legs and feet, usually having white plumage in the winter
Origin of ptarmiganaltered (by associated, association with ptero-) from earlier termigan from Scottish tarmachan
nounpl. ptarmigan, or ptar·mi·gans
Any of various grouse of the genus Lagopus, inhabiting arctic, subarctic, and alpine regions of the Northern Hemisphere and having feathered legs and feet and plumage that is brown or gray in summer and white in winter.
Origin of ptarmiganAlteration ( influenced by the spelling pt in Greek words like pteron wing ) of Scottish Gaelic tarmachan
(plural ptarmigan or ptarmigans)
From Scottish Gaelic tÃ rmachan. The pt- comes from a mistaken Greek construction.