lens

Lens has 1 syllable.

noun. Genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils.

noun. Electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons.

noun. A transparent optical device used to converge or diverge transmitted light and to form images.

noun. Biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina.