Origin: Latin suffix -al
Bilateral has 5 different meanings across 1 category:
A meeting between two people or groups.
"The president attended a bilateral meeting with his counterpart to discuss trade agreements."
In plain English: A bilateral is something that has two sides, usually referring to an agreement between two countries.
"The bilateral agreement was signed by representatives from both countries to improve trade relations."
having identical parts on each side of an axis
"The human face is a classic example of bilateral symmetry, where the left and right sides are mirror images across the central axis."
affecting or undertaken by two parties
"a bilateral agreement between the United States and Japan"
Having two sides.
"The bilateral symmetry of the butterfly's wings makes it instantly recognizable from either side."
The word bilateral comes from combining the prefix bi- meaning "two" with lateral, which refers to a side. It entered English as a compound term describing something involving or affecting both sides equally.