\Ruche\, n. [F. ruche ruche, beehive, OF. rusche a
beehive, which was formerly made of the bark of trees; cf. W.
rhisg, rhisgl, bark, gael. rusg bark, rind.]
1. A plaited, quilled, or goffered strip of lace, net,
   ribbon, or other material, -- used in place of collars or
   cuffs, and as a trimming for women's dresses and bonnets.
   [Written also {rouche}.]
2. A pile of arched tiles, used to catch and retain oyster
   spawn.