(1) A platform, as of planking, at the entrance to a dock. (2) A covering or structure along a shoreline for protection against erosion. A platform serving a similar purpose below a dam or in a sluiceway. (3) An area covered by sand and gravel deposited in the front of a glacial moraine.
APRON
Meaning of APRON in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012