mattinsmat‧tins /ˈmætənz $ ˈmætnz/ noun [uncountable] 
another spelling of matins
another spelling of matins- Onassis, Aristotle
- Onassis, Jackie
- on-board
- once
- Once in Royal David's City
- once-over
- oncologist
- oncology
- oncoming
- Ondaatje, Michael
- one
- O'Neal, Shaquille
- one another
- one-armed bandit
- one-dimensional
- One Flew Over the Cuckoo's Nest
- one-horse
- One Hundred and One Dalmatians
- O'Neill, Eugene
- one-liner
- one-man
- one-man band
- One Nation Party
- oneness
- one-night stand