Heart Palpitation: 8 Reasons for Your Abnormal Heartbeat. Heart palpitations occur when the heart beat increasesâit may noting a flutter, skipped beat, or heart rate thatâs abnormally hard and fast in your chest, throat, or neck. Heart palpitations can be frightening if youâve never experienced them before.
a combining form meaning âwater,â used in the formation of compound words: aquiclude; aquiculture; aquifer. Also, aqua-. Origin of aqui-.
1 Aqueduct (water supply), an artificial (man-made) channel that is constructed to convey water from one location to another.  Acequia, a community-operated watercourse used in Spain and former Spanish colonies in the Americas for irrigation.