zygomorphous vs bilaterally symmetrical

zygomorphous and bilaterally symmetrical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
zygomorphous	No	Yes	No	No
bilaterally symmetrical	No	Yes	No	No

As adjectives, zygomorphous and bilaterally symmetrical are synonyms defined as:

zygomorphous and bilaterally symmetrical: capable of division into symmetrical halves by only one longitudinal plane passing through the axis

Other synonyms of zygomorphous include zygomorphic.

zygomorphous (adjective)	bilaterally symmetrical (adjective)
capable of division into symmetrical halves by only one longitudinal plane passing through the axis	capable of division into symmetrical halves by only one longitudinal plane passing through the axis
	having identical parts on each side of an axis