Webster's Revised Unabridged Dictionary · 1913

Scrabble

Scrabble (skrab"b'l) , intransitive verb

[Freq. of scrape. Compare Scramble, Scrawl, transitive verb]

1.
To scrape, paw, or scratch with the hands; to proceed by clawing with the hands and feet; to scramble; as, to scrabble up a cliff or a tree.
Now after a while Little-faith came to himself, and getting up made shift to scrabble on his way. — Bunyan
2.
To make irregular, crooked, or unmeaning marks; to scribble; to scrawl.
David... scrabbled on the doors of the gate. — 1. Sam. xxi. 13

Scrabble , transitive verb

To mark with irregular lines or letters; to scribble; as, to scrabble paper.

Scrabble , noun

The act of scrabbling; a moving upon the hands and knees; a scramble; also, a scribble.