A woodlouse is a small grey armoured creature found under damp stones. A woodlouse under the pot.
It is a crustacean rather than an insect and is more closely related to a crab than a beetle. A woodlouse breathes through gills, which is why it dies in a dry room.
1nounwoodlouseA small grey armoured creature found under damp stones.
“Every woodlouse in the greenhouse was under the same tray.”
woodlouse is a creature.
Wood plus louse, though the animal is neither.
From wood + louse.
Etymology from Wiktionary, CC BY-SA