Glosbe is home for thousands of dictionaries. We provide not only dictionary Sinhala-English, but dictionaries for every existing pairs of languages - online and free. Go to our home page to choose from available languages.
Also Singhalese, 'pertaining to Sri Lanka,' 1797, from Sanskrit Sinhala 'Sri Lanka, Ceylon,' from simhala-, literally 'of lions,' from simhah 'lion.' As the name of a language spoken there, it is attested from 1801.