Is “Sandbag” a Scrabble word?

1.A sturdy sack filled with sand, generally used in large numbers to make defensive walls against flooding, bullets, or shrapnel.

2.A small bag filled with sand and used as a cudgel.

3.An engraver's leather cushion, etc.

1.To construct a barrier of sandbags around.

“We sandbagged the basement windows against the floodwaters.”

2.To strike someone with a sandbag or other object to disable or render unconscious.

3.To conceal or misrepresent one's true position, potential, or intent in order to gain an advantage.