Noun
(physics) A geometric pattern sometimes observed on the surface of superfluid helium-3.
(countable) A species of tree (Fouquieria columnaris) native to Baja California, Mexico.
Source: en.wiktionary.orgThe plant's English name, Boojum, was given by Godfrey Sykes of the Desert Laboratory in Tucson, Arizona and is taken from Lewis Carroll 's poem " The Hunting of the Snark ". Source: Internet
The Boojum and its Home Carroll, Lewis, 1876. Source: Internet