a. [ad. mod.L. ūnilabiēt-us: see UNI- and LABIATE a.] (See quots.) Also Unilabiated a.
1731. Bailey (ed. 2), II. Unilabiated, having but one lip, spoken of flowers. [Hence in Ash (1775), etc.]
1826. Kirby & Sp., Entomol., IV. 38. Some spiracles, however, are unilabiate, or have only one lip.
1847. Royle, Mat. Med., 614. Corolla with outer limb 3-parted, the interior unilabiate.
