Lexical Definition

‎Ἀββᾶ‎ Abbâ (ab-bah') Abba G:N-M
of Chaldee origin (‎אַב‎)

Abba.

Usage: 1 form in 3 verses
Form Translated As     In Verse(s)
αββα Abba Mark.14.36Rom.8.15Gal.4.6

Abbott-Smith

Ἀββά (T, -ᾶ), indecl. (Aram, אַבָּא, emphatic form of אַב = Heb. אָב, father),
used in the phrase Ἀ. ὁ παήρ, Abba, Father (v. Swete on Mk 14:36): Mk 14:36, Ro 8:15, Ga 4:6.†

Abbott-Smith References

Book Refs
Mark 14:36
Romans 8:15
Galatians 4:6