| mes- | |
| —combining form | |
| a variant of meso- : mesarch; mesencephalon; mesenteron | |
| meso- or (before a vowel) mes- | |
| —combining form | |
| middle or intermediate: mesomorph | |
| [from Greek misos middle] | |
| mes- or (before a vowel) mes- | |
| —combining form | |
| [from Greek misos middle] | |
mes- pref.
Variant of meso-.