SUNGLASS

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A convex lens that focuses the rays of the sun; used to start a fire

Classified under:

Nouns denoting man-made objects

Hypernyms ("sunglass" is a kind of...):

converging lens; convex lens (lens such that a beam of light passing through it is brought to a point or focus)

Credits