STACK

I. noun Etymology: Middle English stak, from Old Norse stakkr; akin to Russian stog ~ and probably to Old English staca stake Date: 14th century a large usually conical pile (as of hay, straw, or grain in the sheaf) left standing in the field for storage, 2. an orderly pile or heap, a large quantity or number, an English unit of measure especially for firewood that is equal to 108 cubic feet, 4. a number of flues embodied in one structure rising above a roof, a vertical pipe (as to carry off smoke), the exhaust pipe of an internal combustion engine, 5. a structure of bookshelves for compact storage of books, a section of a building housing such structures, a pile of poker chips, 7. a memory or a section of memory in a computer for temporary storage in which the last item stored is the first retrieved, a computer memory consisting of arrays of memory elements ~ed one on top of another, II. verb Date: 14th century transitive verb 1. to arrange in a ~ ; pile , to pile in or on , 2. to arrange secretly for cheating , to arrange or fix so as to make a particular result likely , 3. to assign (an airplane) by radio to a particular altitude and position within a group circling before landing, to put into a waiting line , compare , intransitive verb to form a ~, ~er noun