平ひら底ぞこ

noun, noun which may take the genitive case particle 'no'

flat bottom

Describes a container, vessel, or object with a flat base. Often used attributively with の.

• この鍋なべは平ひら底ぞこで、ガスコンロでもIHでも使つかえます。

  This pot has a flat bottom and can be used on both gas and induction cooktops.

• 平ひら底ぞこのバッグは安あん定ていして置おける。

  A flat-bottomed bag can be placed stably.