Definition of new light in US English:

new light

noun

historical
  • 1A person holding novel religious doctrines; a revivalist; specifically a member of any of several churches, denominations, etc., arising from schism within various Protestant churches in Scotland and North America during the 18th and 19th centuries; (also, chiefly in plural) any of the groups to which these members belonged. Now historical.

  • 2United States regional. In form New Light. The white crappie, Pomoxis annularis (family Centrarchidae), a common freshwater fish of North America.

adjective

historical
  • Frequently in form New Light. Of, relating to, or holding the views of, the New Lights. Now historical.

Origin

Mid 17th century; earliest use found in William Prynne (1600–1669), pamphleteer and lawyer. From new + light.

Pronunciation

new light

/ˌnjuː ˈlʌɪt/