Pronunciation: (bô'stun, bos'tun),[key] —n. 1. a seaport in and the capital of Massachusetts, in the E part. 562,994.
2. (l.c.) a variety of whist, popular in the early 19th century, played by four persons with two packs of cards.
3. (usually l.c.) a social dance that is a modification of the waltz.