Semeiological \Se`mei*o*log"ic*al\, or Semiologioal
\Se`mi*o*log"io*al\, a.
Of or pertaining to the science of signs, or the systematic
use of signs; as, a semeiological classification of the signs
or symptoms of disease; a semeiological arrangement of signs
used as signals.
[1913 Webster] Semeiology