Hubbard (Noun) — A mountain peak in southeastern Alaska that is part of the Coast Range (14,950 feet high).
Hubbard (Noun) — A United States writer of science fiction and founder of Scientology (1911-1986).
Hubbard (Noun) — Any of several winter squash plants producing large greyish-green football-shaped fruit with a rough warty rind.
Hubbard (Noun) — Large football-shaped winter squash with a warty grey-green rind.