n. [ Prob. from OF. coulouere, F. couloir, channel, gutter, gallery, fr. couler to flow. See Cullis. ] A transverse drain or waterway of masonry under a road, railroad, canal, etc.; a small bridge. [ 1913 Webster ]
n. (Carp.) Dovetail. [ 1913 Webster ]
a. United or fastened by a dovetailed joint. [ 1913 Webster ]