[ouch] n [ME, alter. (fr. misdivision of a nouche) of nouche, fr. MF, of Gmc origin; akin to OHG nusca clasp] (14c) 1 obs: clasp, brooch
2. a: a setting for a precious stone b: jewel, ornament; esp: a buckle or brooch set with precious stones
[2]ouch interj [origin unknown] (1838)--used esp. to express sudden pain