fire

²fire

verb

firedfir·ing

Definition of FIRE

transitive verb

1

: to cause to transmit a nerve impulse

2

: to sear (the leg of a horse) with a hot iron in order to convert a crippling chronic inflammation into an acute inflammation that will stimulate the natural healing responses of the body

intransitive verb

: to transmit a nerve impulse <the rate at which a neuron fires>