From BiblePortal Wikipedia

Webster's Dictionary [1]

(1): ( n.) One who practices the black art, or magic; one regarded as possessing supernatural or magical power by compact with an evil spirit, esp. with the Devil; a sorcerer or sorceress; - now applied chiefly or only to women, but formerly used of men as well.

(2): ( n.) A cone of paper which is placed in a vessel of lard or other fat, and used as a taper.

(3): ( n.) The stormy petrel.

(4): ( n.) A certain curve of the third order, described by Maria Agnesi under the name versiera.

(5): ( n.) One who exercises more than common power of attraction; a charming or bewitching person; also, one given to mischief; - said especially of a woman or child.

(6): ( v. t.) To bewitch; to fascinate; to enchant.

(7): ( n.) An ugly old woman; a hag.

King James Dictionary [2]

Witch n.

1. A woman who by compact with the devil, practices sorcery or enchantment. 2. A woman who is given to unlawful arts. 3. A winding sinuous bank.

WITCH, To bewitch to fascinate to enchant.

Ill witch sweet ladies with my words and looks.

Smith's Bible Dictionary [3]

Witch. See Divination; Magic .

Easton's Bible Dictionary [4]

 Exodus 22:18 Mekhashshepheh   Deuteronomy 18:10 Mekhashshepheth

Holman Bible Dictionary [5]

Divination And Magic

Fausset's Bible Dictionary [6]

(See Divination ; Magic

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [7]

is the rendering, in the A.V., at  Exodus 22:18, of מְכִשֵּׁפָה (mekashsh Ê phah, Sept. Φαρμακοί ,-Vulg. Malefici ) , and in  Deuteronomy 18:10, of the Masc. form of the same word ( מְכִשֵּׁ )?, mekashsh Ê ph, Sept. Φαρμακός , Vulg. Maleficus ) , which is elsewhere rendered "sorcerer" ( Exodus 7:11;  Daniel 2:2;  Malachi 3:5).

Kitto's Popular Cyclopedia of Biblial Literature [8]

The fem., a sorceress, is found in ; the mas., a sorcerer or magician, in ; ; ; . In the New Testament 'sorcerer' occurs in ; .