The activities and groups, clubs, and societies that are sponsored or regulated by an educational institution but which are not part of the academic curriculum.

A deciduous shrub, Ribes rubrum, native to western Europe; any of certain cultivars of the shrub. / The bright red translucent edible berry of this plant.

An areola, or a similar form of a space surrounded by something of a different colour.

(informal) A sudden, unexpected and unintentional change in the pitch of one's voice when speaking or singing, which often affects boys during puberty.