lesser spearwort les·sers·pear·wort uncommon noun 1. semi-aquatic Eurasian perennial crowfoot with spear-shaped leaves; naturalized in New Zealand Synonymslesser spearwortRanunculus flammula Related words Broader terms marsh plant Parts Ranunculus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
