资料来源 : pyDict

壁垒,眉毛

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Vallum \Val"lum\, n.; pl. L. {Valla}, E. {Vallums}. [L. See
   {Wall}.] (Rom. Antiq.)
   A rampart; a wall, as in a fortification.