Sir.
Concise Oxford English Dictionary © 2008 Oxford University Press:
Sir.
▶abbreviation (in biblical references) Sirach (Apocrypha).
'Sir.' also found in these Oxford entries:
act
- Anderson shelter
- austenite
- Baconian
- Bailey bridge
- banksia
- Beaufort scale
- Bell's palsy
- Bessemer process
- bobby
- brucellosis
- Churchillian
- crucial
- Dandie Dinmont
- Davy lamp
- derring-do
- dewar
- dominie
- Falstaffian
- gage
- Galahad
- greengage
- Gresham's law
- guv
- hobday
- Holmesian
- knight
- Krebs cycle
- meneer
- Mills bomb
- Monsieur
- Munro
- newton
- Newtonian
- Paget's disease
- peeler
- penny post
- Pott's fracture
- rafflesia
- Sam Browne
- seersucker
- senhor
- señor
- siemens
- signor
- sir
- siree
- stokes
- surly
