(Especially in the weaving of tapestry) warp that is vertical rather than horizontal; a method of weaving employing a vertical warp; frequently attributive; contrasted with low warp.
Origin
Early 18th century; earliest use found in Ephraim Chambers (?1680–1740), encyclopaedist.
Definition of high warp in US English:
high warp
noun
Weaving historical
(Especially in the weaving of tapestry) warp that is vertical rather than horizontal; a method of weaving employing a vertical warp; frequently attributive; contrasted with low warp.
Origin
Early 18th century; earliest use found in Ephraim Chambers (?1680–1740), encyclopaedist.