1. Middle of the intestine, esp. in the embryo

Derived forms: mesenterons

• counterpoint
• counterpoise
• counterpoised
• counterpoison
• counterpose
• counterpreparation fire
• counterproductive
• counterproposal
• counterpunch
• counterreformation
• counterrevolution
• counterrevolutionary
• counterrevolutionist
• countershaft
• countershot
• countersign
• countersignature
• countersink
• countersink bit
• counterspy
• counterstain
• counterstrike
• countersubversion
• countersuit
• countertenor