DCHP-1 Online
choke 
n. the freezing up of a waterway, choking off traffic.
- 1920 We were none too early to avoid being locked in the [Hudson] Bay for nine months. Fox Channel is where the "choke" comes earliest.
- 1920 We were none too early to avoid being locked in the [Hudson] Bay for nine months. Fox Channel is where the "choke" comes earliest.