interosculant,a.|ɪntərˈɒskjʊlənt| [inter- 2 a: cf. next.] Interosculating; forming a connecting link (seequot.). 1855Kingsley Glaucus, Peachia hastata, Belonging to what the long-word-makers call an ‘interosculant’ group,—a party of genera and species which connect families scientifically far apart.