knothole

IPA: nˈɑthoʊɫ

In a piece of lumber, a void left by a knot in the wood; such holes are often convenient for peering through when they occur in fences.
(Cincinnati, sports, attributive) Youth league baseball.

Examples of "knothole" in Sentences

The curious child peered through the knothole in the fence to catch a glimpse of the neighbor's backyard
A squirrel squeezed through the knothole in the tree trunk to stash away its acorns for the winter
The old wooden bench had a knothole that had been filled in with putty to prevent anyone from getting splinters
The cat tried to catch the bird that was perched on the fence next to the knothole
We would pass secret notes through the knothole in the clubhouse wall to communicate with each other during our secret meetings