Meaning of ABACK in English

ABACK

transcription, транскрипция: [ ə-ˈbak ]

adverb

Date: before 12th century

1. archaic : backward , back

2. : in a position to catch the wind upon the forward surface (as of a sail)

3. : by surprise : unawares

was taken aback by her sharp retort

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.