a waterway in SE Ontario, Canada, connecting the Ottawa Riverin Ottawa to Lake Ontario in Kingston. 125 miles (202 km) long.
- Rideau hall
noun 1. (in Canada) the official residence of the Governor General, in Ottawa
- Ride hellbent for leather
see: hellbent for leather
- Ride high
Enjoy success, as in He’s been riding high ever since they made him vice-president. The high here alludes to both elevated and elated status. [ First half of 1800s ]
adjective 1. laughing; smiling; cheerful. adjective 1. (rare) laughing, smiling, or gay