Final answer:
The answer to the question '5-letter word for an open space in a forest' is a glade. It is a clearing in a forest where the sun can shine through and which can be depicted as a serene spot amidst the trees.
Step-by-step explanation:
A 5-letter word that defines an open space in a forest is glade. A glade is typically a clearing within a forest, where the trees are sparse or absent, allowing sunlight to enter and create an open, grassy area. It is often used in literature to describe a peaceful and picturesque area within a woodland. For instance, open glades would be places where light can reach through the canopy of trees, making these spots ideal for various animals and plants that thrive in sunny conditions, as opposed to the darker forest floor.
The other options provided, namely bough, quirk, and thorn, do not describe an open space in a forest. A 'bough' refers to a large tree branch, a 'quirk' denotes a peculiar aspect of someone's personality or behavior, and a 'thorn' is a sharp, woody spine found on certain plants.