Introducing an alternative question (direct or indirect), with an beginning the second clause (v. an); in Engl. represented in direct questions simply by the tone of voice, and in indirect questions by whether.

http://lila-erc.eu/data/lexicalResources/LewisShort/id/LexicalSense/n50027.0 an entity of type: LexicalSense

Introducing an alternative question (direct or indirect), with an beginning the second clause (v. an); in Engl. represented in direct questions simply by the tone of voice, and in indirect questions by whether. 
Introducing an alternative question (direct or indirect), with an beginning the second clause (v. an); in Engl. represented in direct questions simply by the tone of voice, and in indirect questions by whether. 

data from the linked data cloud