knobby

knob +‎ -y

• Rhymes: -ɒbi

knobby (comparative knobbier, superlative knobbiest)

1. Resembling a knob.
   • 1871, New York Medical Journal - Volume 14, page 431:

     They appeared, upon section, like wedge-shaped, knobby formations, penetrating into the placenta fetalis, and were thus found in three places ; the smallest was 3 mm. and the largest was 15 mm. in diameter.

   • 2012, Carrie Weaver, Baby, I'M Yours, →ISBN:

     The baby kicked energetically. She caressed a knobby knee or elbow.

2. Having many knobs or knob-like projections.
   • 1860, The Encyclopaedia Britannica:

     The large open leaves and large knobby leaves were picked out by hand, and formed the finest sort of "hyson skin" (known commercially as pretty good bloom, brightish hyson kind mixed, knobby leaf); the remaining leaves were hyson.

   • 1975, Lunar Science Institute, Proceedings of the Sixth Lunar Science Conference, Houston, Texas:

     Further evidence for the correlation of basin structures arises from the spatial relation in both basins of the massifs to the associated knobby terrain.

   • 1988, NASA Technical Memorandum - Issue 4041, page 456:

     The oldest surface identified has a crater retention age N(l) 230,000 and is found below the knobby terrain (K).

• knobbly