v. 1 intr. & tr. become or make shorter or short; curtail. 2 tr. Naut. reduce the amount of (sail spread). 3 intr. & tr. (with reference to gambling odds, prices, etc.) become or make shorter; decrease.
SHORTEN
Meaning of SHORTEN in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012