A large ceramic mug for hot drinks.
A unit of volumetric measure equivalent to the typical builder's mug, around 1/2-pint (10 oz.; 300 cc; 300 mL; 30 cL; 1 cup)
A small cup, usually with a handle, commonly used for drinking tea; normally sits in a saucer as part of a tea set.
A unit of measure; a teacupful.
Of an animal, smaller than average.