Definition of inferiorly in US English:

inferiorly

adverb

Anatomy
  • At, in, or into a lower position.

    ‘the fistula extends inferiorly into the bladder’
    ‘it allows the surgeon to transpose inferiorly situated cheek fat toward the upper lateral midface’

Pronunciation

inferiorly

/inˈfirēərlē//ɪnˈfɪriərli/