noun Download 🔗Share An underground or underwater passage. Examples : "The city built tunnels under the river to make it easier to travel to the other side. " architecture geology structure Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A passage through or under some obstacle. Examples : "The rabbits dug tunnels under the garden fence to reach the vegetables. " architecture structure Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A hole in the ground made by an animal, a burrow. Examples : "The rabbits dug tunnels under the fence to get into the garden. " animal nature biology environment geology place Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A wrapper for a protocol that cannot otherwise be used because it is unsupported, blocked, or insecure. Examples : "The new messaging app uses tunnels to send messages over a blocked network at school. " technology computing internet communication system technical Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A vessel with a broad mouth at one end, a pipe or tube at the other, for conveying liquor, fluids, etc., into casks, bottles, or other vessels; a funnel. Examples : "The mechanic used tunnels to pour the motor oil into the car engine without spilling. " utensil item Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The opening of a chimney for the passage of smoke; a flue. Examples : "The old fireplace had several tunnels for the smoke to rise through the chimney. " architecture part Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A level passage driven across the measures, or at right angles to veins which it is desired to reach; distinguished from the drift, or gangway, which is led along the vein when reached by the tunnel. Examples : "The miners dug tunnels through the rock to reach the valuable gold veins hidden deep inside the mountain. " geology technical structure Chat with AIVocabulary GamePractice Reading