D defs.my
Entry 2 senses Webster, 1913

Inequilateral

· In·e·qui·lat·er·al · IPA
01 a. Having unequal sides; unsymmetrical; unequal-sided.
  1. 1.
    Having unequal sides; unsymmetrical; unequal-sided.
  2. 2.
    Having the two ends unequal, as in the clam, quahaug, and most lamellibranch shells.(Zool.)