A grating of iron or wooden bars or slats, suspended in the gateway of a fortified place and lowered to block passage.
[Middle English port-colice, from Old French porte coleice, sliding gate : porte, gate (from Latin porta; see per-2 in the Appendix of Indo-European roots) + coleice, feminine of coleis, sliding (from Vulgar Latin *cōlātīcius, from Latin cōlātus, past participle of cōlāre, to filter, strain, from cōlum, sieve).]
(click for a larger image)portcullis
East Sussex, England
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