The Collaborative International Dictionary
Trilaterally
Trilateral \Tri*lat"er*al\, a.[L. trilaterus; tri- (see Tri-) + latus, lateris, side: cf. F. trilat['e]ral. See Lateral.] (Geom.) Having three sides; being three-sided; as, a trilateral triangle. -- Tri*lat"er*al*ly, adv. -- Tri*lat"er*al*ness, n.
Wiktionary
trilaterally
adv. In a trilateral way.
Usage examples of "trilaterally".
The incoming CARM records showed clouds and ponds and trees and trilaterally symmetric fishlike birds swirling across the sky.
This body was bilaterally symmetrical, instead of trilaterally, and it made a difference.