Thomas Davidson,
Chambers's Twentieth Century Dictionary 1908…
(1908)
“ Sow, sow, n. a female pig: the metal solidified in parallel grooves or pigs, the iron of these being pig-iron: a movable shed for protecting the men using a battering-ram.—ns. Sow′back, a low ridge of sand or gravel; Sow′-bread, a genus of plants, allied to the primrose, natives of the south of Europe, the tubers of which are eaten by swine ”
