Any of several species of coral with the appearance of a brain, in the families Mussidae and Merulinidae.

A method of problem solving in which members of a group contribute ideas spontaneously.

present participle of brainstorm

To investigate something, or solve a problem using brainstorming. / To participate in a brainstorming session.

(US) A sudden thought, particularly one that solves a long-standing problem. / A session of brainstorming, investigating a problem to try to find solutions. / (Britain) An unexpected mental error.

A wristband typically composed of silicone, often featuring a slogan etc. and sold for charity to raise awareness of a cause.

Any mass educational system of improving or providing conditions to increase the intellectual quality and yield of a population of (human) brains, e.g. a university or school.

Alternative form of harebrained

Synonym of knowledge worker

Any of various fungi of the family Polyporaceae, whose fruiting bodies form on trees and resemble shelves.