claviform UK /ˈklævɪfɔːm/US /ˈklævɪˌfɔɹm/adjective 3noun 1forms 3 adjective3 •Larger at the tip than at the base; club-shaped.Claviform is the reverse of stalactitic; it is composed of club-shaped parallel rods which adhere by their thin extremities. Examples, brown and black haematite. — 1805 •Shaped like a nail (“a metallic spike-shaped fastener”).CLAVOPORA Busk, 1874. Colony small, erect, coriaceous, claviform (nail-shaped), with two well differentiated parts: [...] — 1988 •Key-shaped. noun1 •An image or symbol which is club-shaped, that is, larger at the tip than at the base. formsclaviforms · more claviform · most claviform