Usage: 4 forms in 13 verses
Form Translated As     In Verse(s)
αγαλλιάματοσ leap for joy LXX.Isa.51.11
αγαλλιάματι a leap for joy LXX.Ps.48.2
αγαλλίαμα Jerusalem a leap for joy LXX.Isa.65.18
a leap for joy LXX.Ps.119.111LXX.Prov.11.10LXX.Isa.35.10LXX.Isa.51.3LXX.Isa.61.11LXX.Isa.65.18
leap for joy LXX.Isa.16.10LXX.Isa.60.15
leaping for joy LXX.Isa.22.13
αγαλλίαμά my leap for joy LXX.Ps.32.7

Liddell-Scott-Jones

ἀγαλλίαμα (agalliama) a leap for joy G:N-N

ἀγαλλίαμα-ᾱμα, τό,

transport of joy, [LXX]

LSJ Scripture Refs: LXX.Ps.31.7*