TL;DR
String trimming is the cutting of grass and light weeds with a rapidly spinning nylon line, used along fences, posts, beds, and other edges a mower cannot reach. Crews match the trimmed height to the mowed height so borders do not look scalped, and they keep the line away from tree trunks, where repeated contact girdles the bark and slowly kills young trees.
What it means
String trimming is the cutting of grass and light weeds with a rapidly spinning nylon line, used along fences, posts, beds, and other edges a mower cannot reach. Crews match the trimmed height to the mowed height so borders do not look scalped, and they keep the line away from tree trunks, where repeated contact girdles the bark and slowly kills young trees. With the head rotated vertical, the same tool cuts the crisp edge lines along walks and driveways.
Where it sits in the glossary
String trimming is part of the Trade jargon group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
ProFix Directory keeps definitions short on the index page and saves the longer context — Ohio-specific rules, where the term comes from, and which ProFix tools touch it — for these per-term pages so the term is easy to cite and easy to share.
ProFix tools that touch this term
See also
License: CC-BY-4.0 — quote freely with attribution to ProFix Editorial Team / ProFix Directory.