BEDPOSTS

Noun

bedposts

plural of bedpost

(bowling) a 7-10 split

Source: Wiktionary

BEDPOST

Bed"post`, n.

1. One of the four standards that support a bedstead or the canopy over a bedstead.

2. Anciently, a post or pin on each side of the bed to keep the clothes from falling off. See Bedstaff. Brewer.

Source: Webster’s Unabridged Dictionary 1913 Edition