'Great ragweed' definitions:
Definition of 'great ragweed'
From: WordNet
noun
A coarse annual with some leaves deeply and palmately three-cleft or five-cleft [syn: great ragweed, Ambrosia trifida]
Definition of 'Great ragweed'
From: GCIDE
- Ragweed \Rag"weed`\ (r[a^]g"w[=e]d`), n. (Bot.) A common American composite weed (Ambrosia artemisiaefolia) with finely divided leaves; hogweed. [1913 Webster]
- Great ragweed, a coarse American herb (Ambrosia trifida), with rough three-lobed opposite leaves. [1913 Webster]