Guernsey (Noun) — A variety of the English elm with erect branches and broader leaves.
Guernsey (Noun) — Breed of dairy cattle from the island of Guernsey.
Guernsey (Noun) — A Channel Island to the northwest of Jersey.
Guernsey (Noun) — A shirt or jumper worn by a football player.
Guernsey (Noun) — A thick woollen sweater traditionally worn by fishermen.