blowhole
81Air hole — ([^a]r h[=o]l ). 1. A hole to admit or discharge air; specifically, a spot in the ice not frozen over. [1913 Webster] 2. (Founding) A fault in a casting, produced by a bubble of air; a blowhole. [1913 Webster] 3. (A[ e]ronautics) A local region… …
82air pocket — Air hole Air hole ([^a]r h[=o]l ). 1. A hole to admit or discharge air; specifically, a spot in the ice not frozen over. [1913 Webster] 2. (Founding) A fault in a casting, produced by a bubble of air; a blowhole. [1913 Webster] 3. (A[… …
83spiracle — noun Etymology: Middle English, from Latin spiraculum, from spirare to breathe Date: 15th century 1. a breathing hole ; vent 2. a breathing orifice: as a. blowhole 2 b. an external tracheal aperture of a terrestrial arthropod that in an insect is …
84blow — I. verb (blew; blown; blowing) Etymology: Middle English, from Old English blāwan; akin to Old High German blāen to blow, Latin flare, Greek phallos penis Date: before 12th century intransitive verb 1. a. of air …
85Coast — For other uses, see Coast (disambiguation). A coastline or seashore is the area where land meets the sea or ocean.[1] A precise line that can be called a coastline cannot be determined due to the dynamic nature of tides. The term coastal zone can …
86Cetacea — Cetaceans[1] Temporal range: 55–0 Ma …
87Island — For other uses, see Island (disambiguation). British Isles …
88Niue — Niuē …
89Great Ocean Road — Surfcoast Highway …
90Coral reef — Marine habitats Biodiversity of a coral reef Lit …