[f. Gr. ἄρθρο-ν joint + -λογία discourse, speech.]
1. A scientific treatise on the joints.
† 2. Finger speech for the deaf and dumb. Obs.
1644. Bulwer, Chiron., 99. Order an Alphabet upon the joynts of their Fingers, which Artifice of Arthrologie obtained a privy force.