1. An infectious tropical disease resembling syphilis in its early stages, marked by red skin eruptions and ulcerating lesions
   "Yaws is most commonly found in warm, humid regions";
   - frambesia [N. Amer], framboesia [Brit, Cdn]

1. An erratic deflection from an intended course
   "The boat's yaw in the strong current made steering difficult";
   - swerve

1. Swerve off course momentarily
   "the ship yawed when the huge waves hit it"
    
2. Deviate erratically from a set course
   "the yawing motion of the ship"

Sounds like:

Derived forms: yawses

Type of: curve, cut, deviate, divert, infectious disease, sheer, slew, slue, swerve, trend, turn, turning, veer

Encyclopedia: Yaws