pinnacle 4419 # Expanded Dictionary Study pinnacle 4419 # pterugion {pter-oog'-ee-on}; neuter of a presumed derivative of 4420; a winglet, i.e. (figuratively) extremity (top corner): -- {pinnacle}.[ql wing 4420 # pterux {pter'-oox}; from a derivative of 4072 (meaning a feather); a wing: -- {wing}.[ql ~~~~~~