2. (Zo["o]l.)
(a) A marine, bivalve mollusk, of the genus {Teredo} and
allies, which burrows in wood. See {Teredo}.
(b) Any bivalve mollusk ({Saxicava}, {Lithodomus}, etc.)
which bores into limestone and similar substances.
(c) One of the larv[ae] of many species of insects, which
penetrate trees, as the apple, peach, pine, etc. See
{Apple borer}, under {Apple}.
(d) The hagfish ({Myxine}).
3. A fury; a she-monster. --Grashaw.
4. (Zo["o]l.) An eel-like marine marsipobranch ({Myxine
glutinosa}), allied to the lamprey. It has a suctorial
mouth, with labial appendages, and a single pair of gill
openings. It is the type of the order Hyperotpeta. Called
also {hagfish}, {borer}, {slime eel}, {sucker}, and
{sleepmarken}.
5. (Zo["o]l.) The hagdon or shearwater.
6. An appearance of light and fire on a horse's mane or a
man's hair. --Blount.
{Hag moth} (Zo["o]l.), a moth ({Phobetron pithecium}), the
larva of which has curious side appendages, and feeds on
fruit trees.
{Hag's tooth} (Naut.), an ugly irregularity in the pattern of
matting or pointing.