n. a leap; hann komsk með hlaupi undan, Eg. 12, Fms. xi. 247; hann tók hlaup heim til herbergis, i. 80; hark ok hlaup, Anal. 81: a leap, jump, Egill hljóp yfir díkit, en þat var ekki annarra manna hlaup, Eg. 531; mældu þeir Kári lengd hlaupsins með spjótskeptum sínum ok var tólf álnar, Nj. 145, v. l.; hljóp hann þá út af múrinum, þat var furðu-hátt hlaup, Fms. i. 104; h. kattarins, the bound of a cat, Edda 19: in local names, a leap, Flosa-hlaup, in the chasm in Alþingi, Völks. 1. 220; Hærings-hlaup, Grett. 149:—höfrunga-hlaup, playing like a dolphin; handa-hlaup, hand-leaping, using the hands and feet like a wheel (a boy’s game), Ísl. Þjóðs. ii. 243, 246.

II. special usages, a sudden rise or flood, of rivers flowing from glaciers, see Eggert Itin.; af Höfðárhlaupi, því at hón hafði tekit marga bæi, Bs. i. 283; hlaup kom í ána, 469: jökul-hlaup, an ice stream or avalanche.

β. coagulation, curds; mjólkr-hlaup, curdled milk; blóð-hlaup, curdled blood.

γ. procession in brullaup or brúðlaup, a bride’s leap, bridal procession, see brúðkaup.

δ. a law phrase, an attack, Grág. ii. 7; frum-hlaup, q. v.; áhlaup, an outburst; áhlaups-veðr, a sudden gale; áhlaupa-verk, q. v.: hlaupa-far, n. = frumhlaup, Bs. i. 658: hlaupa-för, f. an uproar, Sturl. ii. 104, 117: hlaupa-piltr, m. an errand boy, Bs. ii. 108.

III. in mod. usage freq. = running, but seldom so, or not at all, in old writers.