1. The end of a handrail which is turned out or down from the rail and curved so as to resemble a tongue.
2. A carpenter’s molding plane having a deep and narrow blade more or less resembling a tongue and curved so as to cut a quirk bead.
3. A molding cut from such a plane, usually two ovolos separated by a fillet and set off by fillets at the other ends.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.