A surname.

(Australia) Clipping of stacks on the mill.

(chiefly UK) to fall over, to topple

plural of stackful

Enough to fill or form a stack.

(programming) Using a stack (last-in-first-out data structure).

(architecture) A vertical structure, normally of brick, rising from a roof, containing one or more flues, each one terminating in a chimney pot.

A sport in which competitors stack cups as quickly as possible.

plural of deep stack

(poker) An amount of money that is large relative to the stakes being played / (poker) A player who has a large amount of money relative to the stakes being played