plain-saw
[pleyn-saw]
verb (used with object), plain-sawed, plain-sawed or plain-sawn, plain-saw·ing.
to reduce (a squared log) to boards with evenly spaced parallel cuts; bastard-saw.
Origin of plain-saw
First recorded in 1950–55
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019