What does "scrabble" mean?

Scrabble: To make irregular, crooked, or unmeaning marks; to scribble; to scrawl. David . . . scrabbled on the doors of the gate.

Additional senses

  1. 2.Sam. xxi.
  2. 3.To mark with irregular lines or letters; to scribble; as, to scrabble paper.
  3. 4.The act of scrabbing; a moving upon the hands and knees; a scramble; also, a scribble.

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