(ש"ע) אדן-חלון; מפתן, סף

n. horizontal piece beneath a window; threshold, doorsill, horizontal piece at the base of a doorway; horizontal foundational element (i.e. beam, block, etc.)

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Noun
1. structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure
(hypernym) structural member
(hyponym) doorsill, doorstep, threshold
2. (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock
(hypernym) rock, stone
(classification) geology

n. parapet

Rzecz. parapet