abbreviation for (in the US)
Examples from the Web for ost
Age is so hard-earned,” Ost tells The Daily Beast, “it has to be celebrated.
And if ei somtyme 220 makyng an ost aeynest vs assaile vs as strengere.Chaucer's Translation of Boethius's 'De Consolatione Philosophiae'|Geoffrey Chaucer
The dwellers in this town shall go neither to the ost (feudal levy) nor on any other expedition unless I lead the same in person.Life on a Mediaeval Barony|William Stearns Davis
Starost, str′ost, n. a Polish noble holding a Star′osty or domain by grant of life-estate from the crown.
The abverbial forms in -or and -ost, as compared with the adjectival in -re, and -este explain the form rather.A Handbook of the English Language|Robert Gordon Latham
He is captain in your Garde Ecossais, and my 'ost told me 'e has distinguished himself as soldier pretty much.The Man Upstairs|P. G. Wodehouse