Clavus

Clavus may refer to:

• Claudius Clavus, 15th-century Danish cartographer
• Clavus, a genus of gastropods in the family Drilliidae
• the plant disease ergot
• the Roman clavus, a reddish-purple stripe on garments that distinguished members of the senatorial and equestrian orders; see laticlave and angusticlavia
• a shooting pain in the forehead, associated with hysteria, also called clavus hystericus
• a corn (medicine), such as formed on the toes
• the pseudo-tail of the Molidae (sunfish)
• in Hemiptera, a usually narrow strip of the hemelytron adjacent to the scutellum