Frap v. t. [imp. & p. p. Frapped p. pr. & vb. n. Frapping.]
1. Naut. To draw together; to bind with a view to secure and strengthen, as a vessel by passing cables around it; to tighten; as a tackle by drawing the lines together.
2. To brace by drawing together, as the cords of a drum.
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frap
v 1: make secure by lashing; "frap a sail"
2: take up the slack of; "frap a rope"
[also: frapping, frapped]