(idiomatic) One who is especially lively, continually active, or industrious. / (idiomatic) The energy associated with being lively, continually active, or industrious.

(botany) A strand of xylem, phloem, and their associated tissues within a eustele or atactostele.

plural of vascular bundle

plural of bundle buggy

plural of hair bundle

(cytology) a group of cellular processes resembling hair, characteristic of hair cells

(idiomatic) Something or someone very funny or fun.

(transitive, literally and figuratively) To put into a bundle. / (transitive, intransitive) To dress in, or put on, warm clothes.

plural of fibre bundle

(American spelling, topology, category theory) A topological space E with a base space B and a fiber space F such that any point x ∈ B has a neighborhood N that is homeomorphic to the product space B × F (that is, the space is locally the product space B × F, although its global structure can be quite different).