mes·o·ce·phal·ic 
(mĕz′ō-sə-fălĭk, mĕs′-)
(mĕz′ō-sə-fălĭk, mĕs′-)adj.
Having a head of average breadth.
mes′o·cepha·ly (-ə-sĕfə-lē) n.
- supersedeas
- superseder
- supersedure
- supersensible
- supersensibly
- supersession
- supersize
- supersonic
- supersonically
- supersonics
- supersonic transport
- superspecies
- superstar
- superstardom
- superstation
- superstition
- superstitious
- superstitiously
- superstitiousness
- superstore
- superstratal
- superstrate
- superstratum
- superstring
- colonoscope