noun
uncut cake; whole cake
Refers to a small cake that has not been sliced, often a single-serving size. Derived from English 'one whole'.
from English one whole
誕生日にワンホールのケーキを買った。
I bought a whole cake for my birthday.
この店ではワンホールのチーズケーキが人気です。
Whole cheesecakes are popular at this shop.