The light seems solid in this line from Le Satyre: Son pied fourchu faisait des trous dans la lumière.
For loue in thou/and m{o~}/trous formes doth oft appeare.
Military pits= or =trous de loup= are excavations in the shape of an inverted cone or pyramid, with a pointed stake in the bottom.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "trous" in a variety of sentences. We hope that you will now be able to make sentences using this word.