1. The sense of touch. ... 2. The act of touching. ... Origin: L. Tactio, fr. Tango, pp. Tactus, to touch ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
Tac'tion noun [ Latin tactio , from tangere , tactum , to touch.] The act of touching; touch; contact; tangency. 'External taction .' Chesterfield. Found on http://www.encyclo.co.uk/webster/T/3