'March equinox' definitions:
Definition of 'March equinox'
From: WordNet
noun
March 21 [syn: vernal equinox, March equinox, spring equinox] [ant: September equinox, autumnal equinox, fall equinox]
Definition of 'march equinox'
From: GCIDE
- march equinox \march equinox\ n. The vernal equinox. [WordNet 1.5]