σῆμα , ατος: sign, token, mark, by means of which
anything is identified, Od. 23.188;
of the mark on a lot, Il.
7.189; a spot or star on a
horse, Il. 23.455; mark to show the
length of a throw, Od. 8.195; a sign
from heaven, prodigy, Od.
21.413, Il. 13.244, Il. 22.30; a sepulchre,
Il. 2.814, Il. 7.86; characters as a sort of pictorial
writing, Il. 6.168.