(computing) A lock key on a computer keyboard, which, when pressed, causes all subsequently typed letters to be capitalised except those typed while holding the shift key.

The deadly poisonous mushroom Amanita phalloides.

A boatsman's peaked cap.

The highly poisonous agaric Amanita pantherina.

(idiomatic, colloquial or slang) To fire a weapon; to shoot with a gun.

A man's cap made from wool, tweed, or other soft material. It has a small peak and fits snugly on the head. / Cap paper, not folded.

A type of woman's cap with triangular turn back at each side. The style is particularly associated with Dutch traditional costume. / An intravaginal contraceptive device.

(finance) Stocks with a relatively small market capitalization.

(typography) Capital letters shown in the same form but in small size (typically of the same size as lower-case letters).

Alternative form of whitecap (“type of wave”)