Answer:

gastropod

Answer	Crossword Clue
GASTROPOD	Snail or slug
GASTROPOD	Mollusk.
GASTROPOD	Snail or slug.

GASTROPOD	Slug, e.g.
GASTROPOD	Snail or slug, e.g.

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.