With a raised feeder, a dog is eating at his knee level or at chest level (depending on how tall the dog is and how high the feeder) which is an unnatural position for the way dogs swallow, causing the intake of air.
â¢ JETTY (noun) The noun JETTY has 1 sense: 1. a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away. Familiarity information: JETTY used as a noun is very rare. Dictionary entry details.
A groyne (groin in the United States) is a rigid hydraulic structure built from an ocean shore (in coastal engineering) or from a bank (in rivers) that interrupts water flow and limits the movement of sediment. It is usually made out of wood or concrete.In the ocean, groynes create beaches, or prevent them being washed away by longshore drift. In a river, groynes prevent erosion and ice-jamming, which in turn aids navigation.Ocean groynes run generally perpendicular to the shore, extending from the upper foreshore or beach into the water. All of a groyne may be under water, in which case it is a submerged groyne.The areas between groups of groynes are groyne fields. Groynes are generally made of wood, concrete, or rock piles, and placed in groups. They are often used in tandem with seawalls.t is usually made out of wood or concrete. In the ocean, groynes create beaches, or prevent them being washed away by longshore drift. In a river, groynes prevent erosion and ice-jamming, which in turn aids navigation.