1
: a slit or notch made by a saw or cutting torch
2
: the width of cut made by a saw or cutting torch

Examples of kerf in a Sentence

with a handsaw I made a kerf in the board to mark where I needed to cut
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Mark the kerf on the end grain of a post. Paul Steiner, Popular Mechanics, 24 Mar. 2023 This reduces bowing and creates a thinner kerf, making pull saws ideal for joints and other fine woodwork. Pierre Tardif, WSJ, 3 June 2021

Word History

Etymology

Middle English, action of cutting, from Old English cyrf; akin to Old English ceorfan to carve — more at carve

First Known Use

1523, in the meaning defined at sense 1

Time Traveler
The first known use of kerf was in 1523

Browse Nearby Words

Cite this Entry

“Kerf.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kerf. Accessed 9 Sep. 2025.

Kids Definition

kerf

noun
: a slit or notch made by a saw or a cutting torch
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