1 var-nagli
a, m., better varr-nagli, with a double r, [for it does not come from vara, to beware, the pun in Fas. i. 15 being a poetical conceit; the word is rather derived from varra or vörr, q. v.]:—the bung for the hole in a boat’s bottom; chiefly in the metaph. phrase, slá varnagla við e-u, to take precaution against a future leakage, a future emergency.