| 单词 | porthole slab |
| 释义 | > as lemmasporthole slab porthole slab n. Archaeology a stone slab with a circular hole, forming an entrance to a tomb or other chamber; cf. sense 2d. ΚΠ 1946 Man 46 97 Porthole slabs are admissable as indices of megalithic architecture. 1983 Macmillan Dict. Archaeol. 402/2 Port-hole slab, a stone slab with a usually circular hole, or two adjacent slabs each with a semi-circular hole, most often found in megalithic tombs, from western Europe to India. < as lemmas |
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