Assertion: speaker | /r/ObjectUse | used by muezzin
Facets:
value: for the adhan
type: TRANSITIVE-OBJECT
Source sentences:
text: Loudspeakers were invented in the early 20th century, and they were introduced in mosques in the 1930s, where they are used by a muezzin for the adhan ("call to prayer"), and sometimes for khutbah (sermons).