Answer:

sandpit

Answer	Crossword Clue
SANDPIT	You can dig it
SANDPIT	Bunker, essentially
SANDPIT	Source of mortar ingredient.

SANDPIT	Hole on the beach
SANDPIT	Excavation site
SANDPIT	Hole dug on a beach
SANDPIT	Certain excavation hole
SANDPIT	NIMBY no-no
SANDPIT	Gravel source
SANDPIT	Beach excavation

Crossword

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