v. Obs. rare1. [Related to early mod.Du. swalp fluctus, unda, fluctuatio, Du. zwalp, WFlem. zwalp, zwolp sudden rush of water or other liquid, early mod.Du. swalpen fluctuare, affluere, iactari fluctibus, undare, Du. zwalpen, WFris. swolpje to break forth (of water), G. dial. schwalpen to flow, sway backwards and forwards, schwalpig swaying; prob. of onomatopœic origin.
Similar synonymous roots skolp-, skulp-, and skwolp-, skwulp-, are represented by MLG., LG. schulpen, schūlpen, schūlpern, early mod. Du. scholpen (all = Du. zwalpen), Da. skvulpe, skulje to shake fluid in a vessel, intr. to splash, Icel. skolp dish-water.]
intr. To splash or toss about in water.
c. 1400. Destr. Troy, 12526. Hym-seluyn in the sea sonkyn belyue, Swalprit & swam with swyngyng of armys.