\Frap\, v. t. [imp. & p. p. {Frapped}; p. pr. & vb. n. {Frapping}.] [Cf. F. frapper to strike, to seize ropes. Cf. {Affrap}.] 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. --Tottem. 2. To brace by drawing together, as the cords of a drum. --Knoght.