a surname

a surname

(uncommon) inducing sleep

a male given name

magic, (especially black magic)

Kyūjitai form of 導体: conductor

(calculus) derived function - of a function, another function, the value of which for any value of the independent variable is the instantaneous rate of change of the given function at that value of the independent variable.

everything

(colloquial) current boyfriend

everyone, one and all