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Webster 1913 Edition

Acock

A-cock′

,

adv.

[Pref.

a-

+

cock

.]

In a cocked or turned up fashion.

Definition 2024

acock

acock

English

Adverb

acock ‎(comparative more acock, superlative most acock)

In a cocked or turned-up fashion.
defiantly