Lexical Definition

‎ψάλλω‎ psállō (psal'-lo) to sing praise G:V
probably strengthened from (to rub or touch the surface

make melody, sing (psalms).

Usage: 17 forms in 61 verses
Form Translated As     In Verse(s)
ψαλῶ I will sing praise 1Cor.14.15 • 1Cor.14.15
will I sing Rom.15.9
ψαλώ I shall strum LXX.Judg.5.3 • LXX.Ps.18.49 • LXX.Ps.59.17 • LXX.Ps.61.8 • LXX.Ps.71.22 • LXX.Ps.75.9 • LXX.Ps.101.2 • LXX.Ps.104.33 • LXX.Ps.108.3 • LXX.Ps.146.2
I should strum LXX.Ps.71.23
I will strum LXX.2Sam.22.50 • LXX.Ps.13.6 • LXX.Ps.57.7 • LXX.Ps.57.9 • LXX.Ps.138.1 • LXX.Ps.144.9
strum LXX.Ps.27.6 • LXX.Ps.108.1
ψαλούμεν strum LXX.Ps.21.13
ψαλλόντων ones strumming LXX.Ps.68.25
ψαλλέτω he should sing praises Jas.5.13
ψαλή he should strum LXX.1Sam.16.16
ψαλάτωσαν Let them strum LXX.Ps.66.4 • LXX.Ps.149.3
ψαλάτωσάν strum LXX.Ps.66.4
ψάλω I shall strum LXX.Ps.7.17 • LXX.Ps.9.2
ψάλλων one strumming LXX.2Kgs.3.15
ψάλλοντεσ making melody Eph.5.19
ψάλλοντα one for strumming LXX.2Kgs.3.15
strumming LXX.1Sam.16.17
ψάλλειν to strum LXX.1Sam.16.16 • LXX.1Sam.16.18 • LXX.Ps.92.1
ψάλη strum LXX.Ps.30.12
ψάλατε Strum LXX.Ps.9.11 • LXX.Ps.30.4 • LXX.Ps.33.2 • LXX.Ps.33.3 • LXX.Ps.47.6 • LXX.Ps.47.6 • LXX.Ps.47.6 • LXX.Ps.47.6 • LXX.Ps.47.7 • LXX.Ps.66.2 • LXX.Ps.68.4 • LXX.Ps.68.32 • LXX.Ps.98.4 • LXX.Ps.98.5 • LXX.Ps.105.2 • LXX.Ps.135.3 • LXX.Ps.147.7
έψαλλον they strummed LXX.Ps.69.12
έψαλλεν strummed LXX.1Sam.16.23 • LXX.1Sam.18.10 • LXX.1Sam.19.9 • LXX.2Kgs.3.15

Abbott-Smith

ψάλλω [in LXX chiefly for זמר pi. (Jg 5:3, Ps 7:17, al.), also for נגן pi. (I Ki 16:16ff., al.) ;]
1. to pull, twitch, twang (as a bowstring, etc.; Æsch., Eur., al.), hence,
2. absol.,
(a) to play a stringed instrument with the fingers (Hdt., Plat., al.);
(b) later, to sing to a harp, sing psalms (LXX); in NT, to sing a hymn, sing praise: Ja 5:13; c. dat. pers., Ro 15:9 (LXX), Eph 5:19; dat. instr., I Co 14:15.†

Abbott-Smith References

Book Refs
Judges 5:3
1 Samuel 16:16
Psalms 7:17
Romans 15:9
1 Corinthians 14:15
Ephesians 5:19
James 5:13

Liddell-Scott-Jones

ψάλλω,

future ψᾰλῶ [LXX+NT]: aorist ἔψηλα [LXX+5th c.BC+]:—pluck, pull, twitch, ψ. ἔθειραν pluck the hair, [Refs 4th c.BC+] twang them, [Refs 5th c.BC+]; ἐκ κέραος ψ. βέλος send a shaft twanging from the bow, [Refs]; so μιλτοχαρὴς σχοῖνος ψαλλομένη a carpenter's red line, which is twitched and then suddenly let go, so as to leave a mark, [Refs 5th c.BC+]

__II mostly of the strings of musical instruments, play a stringed instrument with the fingers, and not with the plectron, ψῆλαι καὶ κρούειν τῷ πλήκτρῳ [Refs 5th c.BC+] [same place], et ibi [Refs 4th c.BC+]; opposed to κιθαρίζω, [Refs 5th c.BC+]; πρὶν μέν σ᾽ ἑπτάτονον ψάλλον (i.e. τὴν λύραν) Ion Eleg.3.3: absolutely, [Refs 5th c.BC+] —Prov., ῥᾷον ἤ τις ἂν χορδὴν ψήλειε 'as easy as falling off a log', [Refs 2nd c.AD+]
__II.2 later, sing to a harp, [LXX+NT]; τῷ πνεύματι [NT]
__II.3 passive, of the instrument, to be struck or played, ψαλλομένη χορδή [Refs 4th c.BC+]; also of persons, to be played to on the harp, [Refs 3rd c.BC+]

LSJ Scripture Refs: LXX.Judg.5.3 ☩ 1Cor.14.15 ☩ LXX.Ps.9.12* ☩ LXX.Ps.7.18* ☩ Eph.5.19