LSJ
Med., set one΄s seal beside another΄s, counterseal, τὰ σεσημασμένα παρασημηνάσθω Pl. Lg. 954b.
put one΄s seal on, seal up, τὰ οἰκήματα D. 42.2 (Pass., τὰ παρασεσημασμένα τῶν οἰκημάτων ib. 26) ; παρασημήνασθαι… τὰς διαθήκας, of the witnesses, put their seals on the will of the deceased, Id. 28.5.
stamp on, in Pass., θυμιατήριον ἵνα τὸ ἄλφα σεσήμανται IG2². 1425.95 (iv BC).
note or mark in passing (cf. παράσημον 1), δόξας Arist. Top. 105b16 ; generally, take note of, Id. Rh. 1397a2, Plb. 16.22.1.
note or conclude from a thing, τι ἔκ τινος Id. 3.90.14.
mark with musical notation, μέλη, τὰ μεγέθη τῶν διαστημάτων, Aristox. Harm. p. 39 M. ; abs., ib. p. 40 M.
mark falsely, ἀργύριον παρασεσημασμένον Poll. 3.86 ; [ὄνομα] π., of an incorrect word, Thom.Mag. p. 204 R. ; v. παραποιέω I. 1. later in Act., betray by one΄s expression, of animals, Phld. D. 1.11.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)