boomer n 1: a member of the baby boom generation in the 1950s; "they expanded the schools for a generation of baby boomers" [syn: {baby boomer}, {boomer}]
Sewellel \Se*wel"lel\, n. [Of American Indian origin.] (Zool.) A peculiar gregarious burrowing rodent ({Haplodon rufus}), native of the coast region of the Northwestern United States. It somewhat resembles a muskrat or marmot, but has only a rudimentary tail. Its head is broad, its eyes are small and its fur is brownish above, gray beneath. It constitutes the family {Haplodontidae}. Called also {boomer}, {showt'l}, and {mountain beaver}. [1913 Webster]
Boomer \Boom"er\, n. 1. One who, or that which, booms. [1913 Webster] 2. (Zool.) A North American rodent, so named because it is said to make a booming noise. See {Sewellel}. [1913 Webster] 3. (Zool.) A large male kangaroo. [1913 Webster] 4. One who works up a "boom". [Slang, U. S.] [1913 Webster]