hogweed Meaning, Definition & Usage

  1. noun tall coarse plant having thick stems and cluster of white to purple flowers
    cow parsnip; Heracleum sphondylium.

WordNet

Hog"weed` noun
Definitions
  1. (Bot.) (a) A common weed (Ambrosia artemisiæge). See Ambrosia, 3. (b) In England, the Heracleum Sphondylium.

Webster 1913