These trees were felled and the troughs dug with the wasay, a short-handled tool with an iron blade only an inch or an inch and a half wide, and convertible alike into ax and adz.
"The Bontoc Igorot"
Albert Ernest Jenks
Since the haft is square the implement may be instantly converted into either an "ax" with blade parallel to the handle or an "adz" with blade at right angle to the handle.
"The Bontoc Igorot"
Albert Ernest Jenks
2. The thick cuttings from a wedge-shaped wood-working tool, as from an axe or adz.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose