palewise

/ˈpeɪlwaɪz/
adverb
  1. In a vertical direction; arranged or placed vertically, especially in heraldry or design.
    • The shield displayed three lions palewise, one above the other.
    • In the coat of arms, the swords are shown palewise with their points upward.
    • The stripes on the flag run palewise, from top to bottom.
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