boojum

== English == === Etymology === Nonsense word from The Hunting of the Snark by Lewis Carroll. === Noun === boojum (plural boojums) (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. Something mysterious and dangerous. == Cochimi == === Noun === boojum cirio (plant).