Meanings

craniotomy

to be tonsured

prefix (as a part-of-speech)

dim witted

half-baked

dim-witted

hairstyle

leader of a crime syndicate's henchmen

to occur to one

back of the head

leader

New Year's resolution

white hair

brown tree snake (Boiga irregularis)

cephalochordates

think tank

brachycephaly

dolichocephaly

mesocephaly

redwing searobin (Lepidotrigla microptera)