めんどりは

as for the hen

→ 雌鳥
phrase Rare #38,235
as for the hen めんどり means “hen,” and は marks it as the topic of the sentence.
JA: めんどりは庭で餌を食べている。
EN: The hen is eating in the yard.

めんどりはを抱いていた

The hen was sitting on her eggs in the nest.

めんどりはしばしば大変結構

Hens are often quite wonderful.

— アメリ (2001)

そのめんどりはほとんど毎日卵を産む

That hen lays eggs almost every day.