Also see definition of "Abba" in Bible Study Dictionaries
Word Study
Abba
CIDE DICTIONARY
Abba, n. [Syriac abbā father. See Abbot.].
Father; religious superior; -- in the Syriac, Coptic, and Ethiopic churches, a title given to the bishops, and by the bishops to the patriarch. [1913 Webster]
ROGET THESAURUS
Abba
Paternity
N paternity, parentage, consanguinity, parent, father, sire, dad, papa, paterfamilias, abba, genitor, progenitor, procreator, ancestor, grandsire, grandfather, great- grandfather, fathership, fatherhood, mabap, house, stem, trunk, tree, stock, stirps, pedigree, lineage, line, family, tribe, sept, race, clan, genealogy, descent, extraction, birth, ancestry, forefathers, forbears, patriarchs, motherhood, maternity, mother, dam, mamma, materfamilias, grandmother, paternal, parental, maternal, family, ancestral, linear, patriarchal, avi numerantur avorum, happy he with such a mother, hombre bueno no le busquen abolengo, philosophia stemma non inspicit.Also see definition of "Abba" in Bible Study Dictionaries
For further exploring for "Abba" in Webster Dictionary Online