Main Entry: ar·thri·tis

Pronunciation: \är-ˈthrī-təs\

Function: noun

Inflected Form(s): plural ar·thrit·i·des \-ˈthri-tə-ˌdēz\

Etymology: Latin, from Greek, from arthron

Date: 1543

: inflammation of joints due to infectious, metabolic, or constitutional causes; also : a specific arthritic condition