foreshore (fore'-shore). (a) The lower or outer, gradually seaward-sloping, zone of the shore or beach, lying between the crest of the most seaward berm on the backshore (or the upper limit of wave wash at high tide) and the ordinary low-water mark; the zone regularly covered and uncovered by the rise and fall of the tide, or the zone lying between the ordinary tide levels. Sometimes referred to as the shore. Syn: beach face. (b) A term loosely applied to a strip of ground lying between a body of water, as a lake or stream, and land that is cultivated or otherwise occupied.