Answer:

knothole

AnswerCrossword Clue
KNOTHOLEFlaw in a fence
KNOTHOLEBoard vacancy?
KNOTHOLELumber blemish
KNOTHOLEOpening for peering through a fence
KNOTHOLEBoard blemish
KNOTHOLEBoard imperfection
KNOTHOLELumber flaw
KNOTHOLEFree baseball view.
KNOTHOLEFree vantage point at a ball park.
KNOTHOLECavity in wood.
KNOTHOLEOne means of watching a ball game.
KNOTHOLESomething to see through.
KNOTHOLEImperfection in a board.
KNOTHOLEImperfection in lumber.
KNOTHOLEYoung ball fan's friend
KNOTHOLEOpening for a young baseball fan
KNOTHOLEThis once gave a free view of the diamond
KNOTHOLETough spot
KNOTHOLEOpening on the board?
KNOTHOLEOpening on a trunk