orach

noun4

1. •
   The saltbush: any of several plants of the genus Atriplex
2. •
   especially Atriplex hortensis
3. •
   or Atriplex patula, found in dry habitats, that have edible leaves resembling spinach.
4. •
   (old-fashioned) Lamb's quarters: frost-blite (Chenopodium album) or another plant of the genus Chenopodium.