(Internet slang, sometimes derogatory) A newbie; someone who is new to a game, or has a new character.

A sound wave, of the same amplitude but of opposite phase to that of an unwanted sound, that can neutralize the unwanted sound using destructive interference.

(linguistics) A group of languages sharing a number of areal features (similar grammar, vocabulary, etc.) which are primarily due to language contact rather than cognation.

present participle of habeas corpus