Ro
1 of 3noun
ˈrō
plural -s
: an artificial language intended to be international that rejects all existing words and roots and is based on analysis and classification of ideas
Roist noun
ˈrōə̇st
plural -s
ro
2 of 3abbreviation (1)
1
recto
2
road
3
roan
4
rood
5
[French rouble] ruble
RO
3 of 3abbreviation (2)
1
radar operator
2
receiving office
3
reconnaissance officer
4
recruiting officer
5
regimental order
6
rial (Omani), rials (Omani)
7
royal observatory
8
royal octavo
Word History
Etymology
Noun
coined 1906 by Edward P. Foster †1937 American clergyman