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.
Aside from it's strength, chain acts as a shock absorber: as the boat rides up a wave it uses energy to lift chain weight. This, countered with force to submerge large mooring buoy act like shocks, sapping the jolt before chain gets bar-tight. This is especially apparent on a rough weather day.