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n. pl. bos
A long staff, used as a weapon in martial arts.
[Japanese bō, stick, bo, from Middle Chinese baı̷wŋ', stick (also the source of Mandarin bàng), from Old Chinese *brôŋʔ, perhaps of Tai origin and akin to Thai phlɔɔŋ, club, cudgel (if the Tai word is not itself of Sinitic origin).]
1. an exclamation uttered to startle or surprise someone, esp a child in a game
2. slang an exclamation of encouragement or an expression of enthusiasm
the internet domain name for
(Computer Science) Bolivia
1. informal body odour
2. (Theatre) box office
1. back order.
2. body odor.
3. box office.
4. branch office.