Warlock (noun)

1. A man who practices witchcraft or magic.
2. A male sorcerer or magician.

Origin:

The word "warlock" has been in use since the 14th century and comes from the old english words "waerloga" which means "oath breaker or traitor". it is derived from the germanic base "waer" meaning "covenant" or "promise" and "loga" meaning "liar" or "traitor".

Examples:

1. In medieval times, a warlock was often feared and hunted by the church and the state.
2. The warlock cast a spell to summon a demon from the underworld.
3. The villagers believed that the old man living in the woods was a warlock who had made a pact with the devil.
4. The warlock's powers were said to be derived from his ability to control the elements.
5. The warlock was able to see the future and predict events with his spells and incantations.