spiknailum Save DMLBS spiknailum [ME spiknail], (large) iron nail, spike-nail. 1401 in cc spikenail’ emptis pro le pentys sadeland’ Pipe Wint. 11M59/B1/150 r. 7d.; 1445 in viij spiknaylis emptis pro tignis affirmandis Comp. Swith. 447.