perichord

noun
peri·​chord | \ ˈper-ə-ˌkȯrd How to pronounce perichord (audio) \

Medical Definition of perichord

: the sheath of the notochord

Other Words from perichord

perichordal \ ˌper-​ə-​ˈkȯrd-​ᵊl How to pronounce perichordal (audio) \ adjective