1. (n.) A low tower, having a truncated pyramidal form, and flanking an ancient Egyptian gateway.

2. (n.) An Egyptian gateway to a large building (with or without flanking towers).

French door antenna tower archway back door barbican barway beacon beam belfry bell tower bulkhead campanile carriage entrance cellar door cellarway colossus column cupola derrick dome door doorjamb doorpost doorway fan marker fire tower flare path front door gate gatepost gateway hatch hatchway lantern lighthouse lintel marker martello martello tower mast minaret monument obelisk observation tower pagoda pilaster pillar pinnacle pole porch portal porte cochere postern propylaeum pyramid racon radar beacon radio beacon scuttle shaft side door skyscraper spire standpipe steeple stile storm door stupa television mast threshold tollgate tope tour tower trap trap door turnpike turnstile turret water tower wind cone wind indicator wind sock windmill tower