To catch sight of; to perceive with the eyes; to discover, as a distant object partly concealed, or not obvious to notice; to see at a glance; to discern unexpectedly; to spy; as, to espy land; to espy a man in a crowd. "As one of them opened his sack to give his ass provender in the inn,... he espied his money." "A goodly vessel did I then espy Come like a giant from a haven broad."