There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
AMBULACRUM
ambulacrum
(noun) one of the five areas on the undersurface of an echinoderm on which the tube feet are located
Source: WordNet® 3.1
Etymology
Noun
ambulacrum (plural ambulacrums or ambulacra)
(of an echinoderm) A row of pores for the protrusion of appendages such as tube feet.
Source: Wiktionary
Am`bu*la"crum, n.; pl. Ambulacra. Etym: [L., an alley or covered way.] (Zoöl.) (a) One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays. (b) One of the suckers on the feet of mites.
Source: Webster’s Unabridged Dictionary 1913 Edition
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AIRPLANE
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Coffee Trivia
