# Layline

> Course (an imaginary line) on which a boat, sailing close on the wind, can just make a windward mark without tacking

**Wikidata**: [Q3828168](https://www.wikidata.org/wiki/Q3828168)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Layline)  
**Source**: https://4ort.xyz/entity/layline