WordWeb Online

1. A crowd especially of ordinary or undistinguished persons or things
   "his brilliance raised him above the ruck";
   - herd
    
2. An irregular fold in an otherwise even surface (as in cloth)
   - pucker

1. Become wrinkled or drawn together
   "her lips rucked";
   - pucker, ruck up

Derived forms: rucks, rucked, rucking

Type of: bend, concourse, crease, crimp, crinkle [archaic], crisp [archaic], flexure, fold, multitude, plication, ruckle [archaic], scrunch [archaic], scrunch up [archaic], throng, wrinkle [archaic]

Encyclopedia: Ruck