nap

A short period of sleep, especially one during the day.

To have a nap; to sleep for a short period of time, especially during the day.

To be off one's guard.

“The regulators were caught napping by the financial collapse.”

A soft or fuzzy surface, generally on fabric or leather.

The common direction, on some kinds of fabric, of the hairs making up the pile.

“If the fabric has a nap, make sure all pieces are cut with the nap going the same direction.”

To form or raise a soft or fuzzy surface on (fabric or leather).

A type of bet in British horse racing, based on the experts' best tips.

A card game in which players take tricks; properly Napoleon.

A bid to take five tricks in the card game Napoleon.

To grab; to nab.

To cover (something) with a sauce (usually in passive).

(dialectal, Northern England, Scotland) A cup, bowl.