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).

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

(Australian politics) The recruitment of members for a branch of a political party in order to influence the outcome of internal preselections of candidates for public office.

The use of double or stacked modals (or, rarely, triple modals), a phenomenon found in some dialects of English, especially Southern US English.

(sports) a sport where the goal is to quickly stack and unstack nesting cups between triangle stacks and columns of nested cups