Tutsan \Tut"san\, n. [F. toutesaine; tout, toute, all (L. totus) + sain, saine, sound, healthy, L. sanus.] (Bot.) A plant of the genus {Hypericum} ({Hypericum Androsoemum}), from which a healing ointment is prepared in Spain; -- called also {parkleaves}. [1913 Webster]