Meaning of allseed

all•seed

Pronunciation: (ôl'sēd"), [key]
— n.
  1. any of various many-seeded plants, as the goosefoot, Chenopodium polyspermum, and the knotgrass, Polygonum aviculare.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.