Definition of "head"
head1
/ˈhɛd/
noun
countable and uncountable, plural heads or head
(social, countable, metonymically) A leader or expert.
(metonymically) Leader; chief; mastermind.
(metonymically) A headmaster or headmistress.
(only in the singular) Denouement; crisis.
(slang, uncountable) Fellatio or cunnilingus; oral sex.
verb
third-person singular simple present heads, present participle heading, simple past and past participle headed
(transitive, obsolete) To behead; to decapitate.