Source : Webster's Revised Unabridged Dictionary (1913)

Ramson \Ram"son\, n. [AS. hramsan, pl., akin to G. rams, Sw.
   rams, ramsl["o]k; cf. Gr. ? onion.] (Bot.)
   A broad-leaved species of garlic ({Allium ursinum}), common
   in European gardens; -- called also {buckram}.

Source : WordNet®

Allium ursinum
     n : pungent Old World weedy plant [syn: {wild garlic}, {wood
         garlic}, {Ramsons}]