spot

A round or irregular patch on the surface of a thing having a different color, texture etc. and generally round in shape.

"The leopard is noted for the spots of color in its fur."

A stain or disfiguring mark.

"I have tried everything, and I can’t get this spot out."

A pimple, papule or pustule.

"I think she's got chicken pox; she's covered in spots."

To see, find; to pick out, notice, locate, distinguish or identify.

"Try to spot the differences between these two pictures."

To loan a small amount of money to someone.

"I’ll spot you ten dollars for lunch."

To stain; to leave a spot (on).

"Hard water will spot if it is left on a surface."

Available on the spot; for immediate payment or delivery.

"spot wheat; spot cash; a spot contract"