That bears a person or thing (in various other senses of bear, v.1). Now chiefly: that supports or upholds (something) physically. Now somewhat rare.

spec. Physics. Of air, fluid, or other weight, with reference to the downward pressure exerted by it.

That gravitates; †exerting weight or pressure (obsolete); moving or tending to move by gravitation.

Characterized by physical pressure or pressing. Obsolete.