pillar box

noun

British.

1. a pillarlike box in which letters are deposited for collection by mail carriers; mailbox.

pillar box

noun

1. (in Britain) a red pillar-shaped public letter box situated on a pavement

adjective

1. characteristic of a pillar box (in the phrase pillar-box red )

Word History and Origins

Origin of pillar box¹

First recorded in 1855–60