quickset

[kwik-set] /ˈkwɪkˌsɛt/
noun, Chiefly British
1.
a plant or cutting, especially of hawthorn, set to grow, as in a hedge.
2.
such plants collectively.
3.
a hedge of such plants.
adjective
4.
formed of quickset, or of growing plants.
Origin
1400-50; late Middle English; see quick, set
British Dictionary definitions for quickset

quickset

/ˈkwɪkˌsɛt/
noun
1.
  1. a plant or cutting, esp of hawthorn, set so as to form a hedge
  2. such plants or cuttings collectively
2.
a hedge composed of such plants
adjective
3.
composed of such plants
Word Origin
C15: from quick in the archaic sense live, growing + set to plant, set in the ground
Word Origin and History for quickset
adj.

"formed of living plants," 1530s, from quick (adj.) + set (v.).