What is the meaning of Hag?

A witch, sorceress, or enchantress; a wizard.

An ugly old woman.

An evil woman.

A fury; a she-monster.

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 person's hair.

The fruit of the hagberry, Prunus padus.

Sleep paralysis.

A small wood, or part of a wood or copse, which is marked off or enclosed for felling, or which has been felled.

A marshy hollow, especially an area of peat lying lower than surrounding moorland, formed by erosion of a gully or cutting and often having steep edges.

To harass; to weary with vexation.

and

and

imperative of hage

a notch; a pit or break

a stroke of an axe or similar instrument

the felling of timber; the quantity of wood felled

a quagmire from which peat or turf is cut

to chop (wood); to hack; to dig out (coal etc.)

to make a hash of (something)

to cut down trees and prepare timber

an ox

a cattleman, one who raises cattle or oxen

to hinder; to impede

Source: wiktionary.org