Pisum arvense pi·su·mar·vense uncommon noun 1. variety of pea plant native to the Mediterranean region and North Africa and widely grown especially for forage Synonymsfield peafield-pea plantAustrian winter peaPisum sativum arvensePisum arvense Related words Broader terms pea Part of field pea WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.