Meaning of JESS in English

n. & v.

n. a short strap of leather, silk, etc., put round the leg of a hawk in falconry. put jesses on (a hawk etc.).

[ ME ges f. OF ges, get ult. f. L jactus a throw f. jacere jact- to throw ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.