1. A stanza, epigram, or poem, consisting of four verses or lines

Derived forms: tetrastiches

• osteosclerosis
• osteosclerosis congenita
• osteostracan
• Osteostraci
• osteotomy
• ostiarius
• ostiary
• ostinato
• ostiole
• ostium
• ostler
• Ostmark
• ostomy
• Ostraciidae
• ostracise
• ostracism
• ostracize
• ostracod
• Ostracoda
• ostracoderm
• Ostracodermi
• Ostrava
• Ostrea
• Ostrea gigas
• Ostreidae