'northbound' definitions:
Definition of 'northbound'
From: WordNet
adjective
Moving toward the north; "the northbound lane"; "we took the north train"; "the northward flow of traffic" [syn: northbound, northward]
Definition of 'northbound'
From: GCIDE
- northbound \northbound\ adj.
- 1. Moving toward the north; as, northbound traffic.
- Syn: northward. [WordNet 1.5]
- 2. intended to be used by vehicles moving toward the north; -- of roads and parts of roads; as, The northbound lane was blocked by an overturned tractor-trailer. [PJC]