'Bum' definitions:

Definition of 'Bum'

From: GCIDE
  • Bum \Bum\ (b[u^]m), n. [Contr. fr. bottom in this sense.] The buttock. [Low] --Shak. [1913 Webster]

Definition of 'Bum'

From: GCIDE
  • Bum \Bum\, n. A humming noise. --Halliwell. [1913 Webster]

Definition of 'bum'

From: GCIDE
  • bum \bum\, v. i. [imp. & p. p. bummed; p. pr. & vb. n. bumming (?).] [See Boom, v. i., to roar.] To make murmuring or humming sound. --Jamieson. [1913 Webster]
  • to bum around to wander about idly or aimlessly. [PJC]

Definition of 'bum'

From: GCIDE
  • bum \bum\ (b[u^]m), v. t. To borrow without intention of returning; to cadge; as, to bum a cigarette; to bum a cup of coffee; -- usually with inexpensive items as the object. [informal] [PJC]