(idiomatic) A newborn baby or child of any age. / (idiomatic, less common) A pet.

(now chiefly Canada) A bag on wheels with an extendable handle, usually used for grocery shopping.

(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).

(topology, Britain, Canada) Alternative spelling of fiber bundle

plural of bundle buggy

(idiomatic) A person with an especially nervous, excitable, or fearful disposition. / (idiomatic, dated) A lively, continually active person.

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

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

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

(idiomatic) Something or someone very funny or fun.