cleaving noun 2adjective 1forms 1 noun2 •The act of one who cleaves, splits, or severs.Many of Spenser's readers today find the cleavings and reunifications of Redcrosse and Una presenting a psychodrama of mental fragmentation […] — 2010 •The act of one who cleaves, clings, or adheres.On all of them they renew their cleavings to God with love and delight. — 1813 adjective1 •That cleaves.My head blazed with pain. The speed, the cleaving wind, the flailing beams of light from traffic tormented me. And there was the sickly smell too that no night air could clear. — 1999 formscleavings