Capable of being handled, manipulated, or operated with a thumb or thumbs. / (of a book) Compellingly readable or easy to thumb through.

A small box / (botany) A capsule in which the lid separates from the top of the fruit to release the seeds; a pyxidium / A nautical compass

Not security, or not directly related to security

(Vietnam War era military slang) A thatched hut, CHU, or any simple dwelling.