What is the meaning of Warlock?

A male magic-user; a male witch.

A magic-user (regardless of gender).

the Devil

  1. a devil; a fiend

a devil; a fiend

warlock; a man who is thought to be in league with the powers of darkness and to have supernatural knowledge and means of bewitching and harming others

  1. witch
  2. sorcerer, wizard, magician

witch

sorcerer, wizard, magician

bewitched, magical, supernatural; malevolent, mischievous

an old, ugly or misanthropic man; a mischievous or troublesome fellow

Source: wiktionary.org