avicidal in English dictionary avicidal Meanings and definitions of "avicidal" Acting as an avicide; fatal to birds. adjective Acting as an avicide; fatal to birds. more Grammar and declension of avicidal avicidal ( comparative more avicidal, superlative most avicidal) avicidal (comparative more avicidal, superlative most avicidal) more Sample sentences with "avicidal" Declension Stem Try again Authors