Answer: knothole

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