roof-spotter
noun
An observer posted at the top of a building to give warning of hostile aircraft; also in extended use.
- Particularly associated with civil defence during the Second World War (1939–45)..
Origin
1940s; earliest use found in The Times.
- color-matching
- color melody
- color-mixer
- color model
- color monitor
- color music
- color name
- color-neutral
- colorology
- color organ
- color palette
- color pan
- color party
- color pencil
- color picture
- color piece
- color plate
- color printer
- color printing
- color question
- color-ring
- color-ringed
- color-ringing
- color screen
- color section