A meeting, especially a meeting between two people conducted in person as opposed to a meeting conducted at a distance through technology.

In one another's presence.

While physically present.

(idiomatic) The emotional dimension of decision-making. A person's subjective (often almost visceral) feelings about what is right or wrong, good or bad.

facing forward / across from; opposite

(vulgar, slang) A person's facial expression during orgasm.

(science fiction) A hypothetical figure describing a speed of one light-year per hour.

(idiomatic, informal) To eat excessively.

An experiment in which all combinations of multiple parameters or variables are each tested

(electrical, engineering) The ratio of the actual power to the apparent power in an alternating current power system; specifically, the cosine of the phase angle between the voltage and the current.