Haystack \Hay"stack`\ (h[=a]"st[a^]k`), n. A stack or conical pile of hay in the open air. [1913 Webster]
19 Moby Thesaurus words for "haystack": anthill, bank, cock, drift, dune, embankment, haycock, haymow, hayrick, heap, hill, molehill, mound, mow, pile, pyramid, rick, snowdrift, stack