A naturally or artificially enclosed or nearly enclosed harbor area for small craft. A recess in the shore or an inlet of a sea between two capes or headlands, not so large as a gulf but larger than a cove. A bar extending partly or entirely across the mouth of a bay. A minor sluggish waterway or estuarial creek, tributary to, or connecting, other streams or bodies of water, whose course is usually through lowlands or swamps. A nearly horizontal part of the beach or backshore formed by the deposit of material by wave action.
Some beaches have no berms, others have one or several.
The carrying away of beach materials by wave action, tidal currents, littoral currents, or wind. The section of the beach normally exposed to the action of the wave uprush. Material placed on a beach to renourish eroding shores. The horizontal dimension of the beach measured normal to the shoreline. A permanently fixed point of known elevation.