The Collaborative International Dictionary of English v.0.48:

Frost-blite \Frost`-blite"\, n. (Bot.)
   (a) A plant of the genus Atriplex; orache. --Gray.
   (b) The lamb's-quarters (Chenopodium album). --Dr. Prior.
       [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lamb's-quarters \Lamb's-quar"ters\, n. (Bot.)
   A name given to several common weedy European plants of the
   Goosefoot family, introduced into N. America, and sometimes
   used as pot herbs, as Chenopodium album and Atriplex
   patulsa.

   Note: It is sometimes collected from the wild and eaten as a
         vegetable

   Syn: lamb's quarters, pigweed, wild spinach, Chenopodium
        album.
        [1913 Webster + WordNet 1.5]

WordNet (r) 3.0 (2006):

Chenopodium album
    n 1: common weedy European plant introduced into North America;
         often used as a potherb [syn: lamb's-quarters, pigweed,
         wild spinach, Chenopodium album]