created sense approved 井筒 · jǐngtǒng · pit shaft — "Initial import from upstream dictionary"
井筒
jǐngtǒng
pit shaft
The cylindrical space or wall surface extending from the mouth of a well to its bottom; specifically a vertical passage connecting the surface to an underground mine, subway, or tunnel.
井 (literal) → 井 · jǐng · well 筒 (literal) → 筒 · tǒng · tube
Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition