Is “Impound” a Scrabble word?

1.A place in which things are impounded

2.A state of being impounded

3.That which has been impounded

1.To shut up or place in an enclosure called a pound

“His car got impounded after he'd parked illegally.”

2.To hold back (for example water by a dam)

3.To hold in the custody of a court or its delegate

“to impound stray cattle; to impound a document for safe keeping.”