growler

A person, creature or thing that growls.
(historical) A horse-drawn cab with four wheels.
A small iceberg or ice floe which is barely visible over the surface of the water.
(informal) A kind of jug used to carry beer (in current usage, a 2-liter or 64-ounce container with or without a handle; sometimes extended to similarly shaped 32-ounce jug, but not bottles).
(dialect) A pork pie.
(British) The vulva.
(US) A fish of the perch family, abundant in North American rivers, so named from the sound it emits.
A device for checking electrical equipment for short circuits etc.