A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow, and such that arrow composition is associative.
A group, often named or numbered, to which items are assigned based on similarity or defined criteria.
An indentation, imprint, or mark made by stamping.
An act of stamping the foot, paw or hoof.
A device for stamping designs.
A single dose of lysergic acid diethylamide.
A small piece of paper, with a design and a face value, used to prepay postage or other dues such as tax or licence fees.
Cast; form; character; distinguishing mark or sign; evidence.
A tattoo.
A kind of heavy pestle, raised by water or steam power, for crushing ores.
A small piece of paper bearing a design on one side and adhesive on the other, used to decorate letters or craft work.
To move (the foot or feet) quickly and heavily, once or repeatedly.
To strike, beat, or press forcibly with the bottom of the foot, or by thrusting the foot downward.
To mark; to impress.
To step quickly and heavily, once or repeatedly.
To apply postage stamps to.
To mark by pressing quickly and heavily.
To give an official marking to, generally by impressing or imprinting a design or symbol.