Usage: 5 forms in 39 verses
Form Translated As     In Verse(s)
στήλων pillars LXX.Jer.27.19
στήλην a monument LXX.Gen.31.13LXX.Gen.35.14LXX.Gen.35.20LXX.Lev.26.1LXX.Deut.16.22LXX.2Sam.18.18
monument LXX.Gen.28.18LXX.Gen.28.22LXX.Gen.31.45LXX.Gen.35.14LXX.2Sam.18.18LXX.2Kgs.10.26
stele LXX.Num.22.41
this monument LXX.Gen.31.52
στήλη a monument LXX.Gen.19.26LXX.Isa.19.19
monument LXX.Gen.31.51LXX.Gen.31.52LXX.Gen.35.20LXX.Ezek.8.3
στήλασ monuments LXX.Num.21.28LXX.1Kgs.14.23LXX.2Kgs.3.2LXX.2Kgs.10.27LXX.2Kgs.17.10LXX.2Kgs.18.4LXX.2Kgs.23.14LXX.2Chr.14.3LXX.2Chr.31.1LXX.Hos.10.1
their monuments LXX.Exod.23.24LXX.Exod.34.13LXX.Num.33.52LXX.Deut.7.5LXX.Deut.12.3
your monuments LXX.Lev.26.30LXX.Mic.5.13
στήλαι their monuments LXX.Hos.10.2

Liddell-Scott-Jones

στήλη (stēlē) a monument G:N-F

στήλη,

Doric dialect στάλα, Aeolic dialect στάλλα (which see), , block of stone used as a prop or buttress to a wall, στήλας τε προβλῆτας ἐμόχλεον [Refs 8th c.BC+]; block of rock-crystal, in which the Ethiopian mummies were cased, [Refs 5th c.BC+]: generally, block or base, κόρη χρυσῆ ἐπὶ στήλης [Refs 5th c.BC+]; σ. ξύλιναι, λέβητε ἀπὸ στηλῶν, [Refs]

__II block or slab used as a memorial, monument:
__II.1 gravestone, [στήλην ἀτρέμας ἑσταότα 13.437; στῆλαι ἀπὸ σημάτων 5th c.BC: Thucydides Historicus 1.93; οὐ στηλῶν μόνον.. ἐπιγραφή [prev. author] 2.43; μήτε στήλαις μήτε ὀνόμασι δηλοῦντας τοὺς τάφους 5th-6th c.BC: Plato Philosophus “Leges” 873d ">Refs 8th c.BC+]; στάλαν θέμεν Παρίου λίθου λευκοτέραν (metaphorically of a poet) [Refs 5th c.BC+]
__II.2 monument inscribed with record of victories, dedications, votes of thanks, treaties, laws, decrees, etc., [Refs 5th c.BC+]; στήλη λιθίνη, χαλκῆ,[Refs]; τί βεβούλευται περὶ τῶν σπονδῶν ἐν τῇ σ. παραγράψα; [Refs 5th c.BC+]; τὰς θυσίας τὰς ἐκ τῶν κύρβεων καὶ τῶν σ. [Refs 5th c.BC+]; ἐν στήλῃ ἀναγραφῆναι, whether for honour, as in [Refs 5th c.BC+]; or for infamy, as in [Refs 5th c.BC+]:—also the record itself, contract, agreement, στήλας ἀναγράψαι [Refs 5th c.BC+]; κατὰ τὴν σ. according to the agreement, [Refs 5th c.BC+]; παραβῆναι τὰς σ. [Refs 2nd c.BC+]
__II.3 post placed on mortgaged ground, as a record of the fact, [Refs 2nd c.AD+]
__II.4 boundary-post, στήλας ὁρίσασθαι [Refs 5th c.BC+]; στήλαις διαλαβεῖν τοὺς ὅρους Decrees cited in [Refs 4th c.BC+]; turning-post at the end of the racecourse, [στήλην διαφθείρεσθαι 5th c.BC: Lysias Orator “Fragmenta” 1.4. ">Refs 5th c.BC+]
__II.5 for Στῆλαι Ἡρακλήϊαι, see at {Ἡράκλειος}, and[Refs 1st c.BC+]; so σ. Διονύσου mountains in India marking the limits of the progress of Dionysus, [Refs 2nd c.AD+] in some late Inscrr., [Refs]