Noun
A storm, strong wind, or gale, coming from the northeast.
Source: Webster's dictionaryOn March 12, an unexpected northeaster hit New England and the mid-Atlantic, dropping up to convert of snow in the space of two days. Source: Internet
With a full loaded weight of 56,000 pounds, C-378 made a top speed of convert with 1400 HP, and maintained an average speed of convert in a winter northeaster storm with 12 to 14 foot seas, which would still be considered exceptional even 100 years later. Source: Internet