The formation and excretion of sweat; sweating; perspiration; and (sometimes, more particularly)
Excessive sweating; excessive perspiration (more than would be expected in response to a given stimulus; especially when profuse as a symptom of disease or a side effect of a drug).
Intense heat.
To perspire greatly from heat.
To cause to faint, to overpower, as with heat.
To suffer terribly from intense heat.