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n. A ringlike coral island and reef that nearly or entirely encloses a lagoon.

n. A type of island consisting of a ribbon reef that nearly or entirely surrounds a lagoon and supports, in most cases, one to many islets on the reef platform. Atolls have a unique geology, so not all islands with a reef and a lagoon are atolls.

n. A coral island or islands, consisting of a belt of coral reef, partly submerged, surrounding a central lagoon or depression; a lagoon island.

n. A coral island, consisting of a strip or ring of coral surrounding a central lagoon.

n. an island consisting of a circular coral reef surrounding a lagoon

"The atoll is on admiralty charts as Hikihoho, discovered by Bougainville [Louis Antoine de Bougainville, 1729-1811, French soldier and explorer, the first Frenchman to circumnavigate the world] but called Parlay after old Parlay, a wizard with pearls who never parts with a pearl and stores hundreds of ton of shell."

coral reef   

sphagnum atoll   

Midway Islands    Bikini    Kwajalein    Eniwetok   

Cole    Dole    Kohl    Nicole    Ole    Pole    Seoul    Sol    bole    boll   

out-thrust    marsh-land    pearl-shell    stedding    encrustation    whereit    battle-line    pastureland    verbenas    caddie