dob·son·fly 
(dŏbsən-flī′)
(dŏbsən-flī′)n.
Any of various insects of the subfamily Corydalinae, especially Corydalus cornutus of eastern North America, having two pairs of large, many-veined wings and in the male long, pincerlike mandibles.
- benzoic acid
- benzoin
- benzol
- benzophenone
- benzopyrene
- benzoyl
- benzoyl peroxide
- benzpyrene
- benzyl
- benzylpenicillin
- be off feed
- be off (one's) feed
- be off one's feed
- be of one mind
- be of service
- be of two minds
- be on game
- be on high horse
- be on (one's) game
- be on one's game
- be on one's high horse
- be on to
- be out of here
- Beowulf
- be prepared