Usage: 3 forms in 23 verses
Form Translated As     In Verse(s)
ολκήσ in scale-weight LXX.1Chr.21.25
of its scale-weight LXX.1Chr.28.14
scale-weight LXX.Gen.24.22
ολκήν scale-weight LXX.1Chr.28.15LXX.1Chr.28.15
ολκή its scale weight LXX.Josh.7.21
its scale-weight LXX.Num.7.13LXX.Num.7.19LXX.Num.7.25LXX.Num.7.31LXX.Num.7.43LXX.Num.7.49LXX.Num.7.55LXX.Num.7.61LXX.Num.7.67LXX.Num.7.73LXX.Num.7.79
scale-weight LXX.Gen.24.22LXX.Num.7.37LXX.2Sam.21.16LXX.2Chr.3.9LXX.2Chr.3.9LXX.2Chr.4.18

Liddell-Scott-Jones

ὁλκή (holkē) a scale-weight G:N-F

ὁλκή-, ,

(ἕλκω) drawing, trailing, dragging, e. g. of the hair, [Refs 4th c.BC+]; τῆς γνάψεως . the drawing of the carding instrument in fulling cloth, [Refs 5th c.BC+]; ἀπὸ μιᾶς . by one haul or pull, [ὁλκήήν">Refs 4th c.BC+] skilled in drawing words to a false meaning, [Refs 5th c.BC+]

__2 inhalation (of vapour), [Refs 5th c.BC+]; . πνεύματος drawing in of the breath, [Refs 4th c.BC+]; τοῦ αἵματος suction of blood by the cupping-bowl, [Refs]
__3 ray, beam, probably conjecture for ὁλκήὸν in [Refs]
__II a drawing on or towards a thing, παιδεία ἔσθ᾽ παίδων . καὶ ἀγωγὴ πρὸς τὸν λόγον [Refs 5th c.BC+]
__II.2 attraction, force of attraction, [Refs]; of a magnet, [Refs 4th c.BC+]; . τῆς ὁμοιότητος the attractive force of similarity, [Refs 5th c.BC+]
__II.3 tendency, διανοίας πρὸς τὸ ὄν [Refs 1st c.AD+]
__III drawing down of the scale, weight, . ταλάντου χρυσίου [LXX+4th c.BC+], etc.; ὁλκήὴν ἄγειν weigh so much, [Refs]
__III.2 the drachma, as a weight, [Refs 2nd c.BC+] “*Geometry texts” 23.55, [Refs 3rd c.BC+]