noun plural
: an arrangement of keys or wedges resembling a stonemason's plug and feather used for forcing apart two pieces previously fastened by a key or cotter
noun plural
: an arrangement of keys or wedges resembling a stonemason's plug and feather used for forcing apart two pieces previously fastened by a key or cotter
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012