deasil /ˈdjɛʃəl/adverb 1noun 1 adverb1 •Clockwise, sunwise.In Strathfillan, Perthshire, people are cured of insanity by being made to go three times deasil round a certain pool and then being plunged headlong into it. — 1939 noun1 •A motion towards the right, in the direction of the hands of a clock or of the apparent motion of the sun (in the northern hemisphere); a turning in this direction.It consists, as is well known, in the person who makes the deasil walking three times round the person who is the object of the ceremony, taking care to move according to the course of the sun. — 1827