the GNU version of the Collaborative International Dictionary of English
n. A carpenter's or cooper's tool, formed with a thin arching blade set at right angles to the handle. It is used for chipping or slicing away the surface of wood.
v. To cut with an adz.
The Century Dictionary and Cyclopedia
n. A cutting-tool somewhat like an ax, but having the blade placed at right angles to the handle and formed to a curve nearly corresponding to its sweep through the air when in use.
To chip or shape with an adz: as, to adz logs or timber.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an edge tool used to cut and shape wood
Word Usage
"Conversely, frustrated crossword solvers encounter plenty of uncommon three-letter words, such as adz, auk and lea."