A convex glass lens which is placed in front of a lamp to concentrate the light so as to make it more conspicuous as a signal; also the lantern itself.
The centre of a target, inside the inner and magpie.
The central part of a crown glass disk, with concentric ripple effect.
A hard striped peppermint-flavoured boiled sweet.
A commonly-known reference point used when indicating the location or direction of something.
A £50 banknote.
The two central rings on a dartboard.
A hand-cancelled postmark issued by a counter clerk at a post office, typically done on a receipt for proof of mailing.
A shot which hits the centre of a target.
An oculus.
Any of the first postage stamps produced in Brazil from 1843.
A cry when someone hits the bullseye of a target.
A response to a totally accurate statement.
A kind of 10-kilowatt lamp.
A tennis shoe.
A monetary note (bill) whose face value is ten basic units of currency. Originally, a ten-shilling (half pound) note.