Noun

1. A thin, elastic strip of metal, whalebone, wood, or other material, worn in the front of a corset.

Noun

1. A kind of linen.
   • 1882, James Edwin Thorold Rogers, A History of Agriculture and Prices in England, Volume 4, p. 557:

     Busk, a kind of table linen, occurs first in 1458, and occasionally afterwards.

Verb

1. To tack, to cruise about.
2. To solicit money by entertaining the public in the street or in public transport