This is a legal definition, not specific to Florida. See Florida statutes
Aggravated Assault:
Definition - An unlawful attack by one person upon another for the purpose of inflicting severe or aggravated bodily injury. This type of assault usually is accompanied by the use of a weapon or by means likely to produce death or great bodily harm. (It is not necessary that injury result from an aggravated assault when a gun, knife, or other weapon is used which could and probably would result in serious personal injury if the crime were successfully completed.)