callus /kalˈəs/

1. An area of thickened or hardened skin
2. New material by which fractured bones are consolidated (pathology)
3. Soft tissue that forms over a cut surface (botany)

• flying shores
• flying shot
• flying shots
• flying snake
• flying snakes
• flying squad
• flying squads
• flying squid
• flying squids
• flying squirrel
• flying squirrels
• flying start
• flying starts
• flying suit
• flying suits
• flying wing
• fly in the face of
• fly-kick
• fly-kicks
• flyleaf
• flyleaves
• fly line
• fly lines
• flymaker
• flymakers