A hagfish; one of various eel-like fish of the family Myxinidae, allied to the lamprey, with a suctorial mouth, labial appendages, and a single pair of gill openings.
A hagdon or shearwater; one of various sea birds of the genus Puffinus.
An appearance of light and fire on a horse's mane or a man's hair.
From Middle English hagge, hegge, shortening of Old English hægtesse, hægtes, from Proto-Germanic *hagatusjō (compare Saterland Frisian Häkse ("witch"), Dutch heks, German Hexe ("witch")), compounds of (1) *hagaz (compare Old Norse hagr ("handy, skillful"), Middle High German behac ("pleasurable")), from Proto-Indo-European *ḱak- (compare Sanskrit शक्नोति ("he can")), and (2) *tusjǭ (compare dialectal Norwegian tysja). hex.
From Scots hag ("to cut"), from Old Norse hǫgg ("cut, gap, breach"), derivative of hǫggva; compare English hew.