l]
| 1. | relating to, occurring on, or involving one side only: unilateral development; a unilateral approach. |
| 2. | undertaken or done by or on behalf of one side, party, or faction only; not mutual: a unilateral decision; unilateral disarmament. |
| 3. | having only one side or surface; without a reverse side or inside, as a Möbius strip. |
| 4. | Law.
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| 5. | Botany. having all the parts disposed on one side of an axis, as an inflorescence. |
| 6. | through forebears of one sex only, as through either the mother's or father's line. Compare bilateral (def. 5). |
| 7. | Phonetics. (of an l-sound) characterized by passage of air on only one side of the tongue. |
unilateral u·ni·lat·er·al (y&oomacr;'nə-lāt'ər-əl)
adj.
On, having, or confined to only one side.