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.
sinker
(noun) a pitch that curves downward rapidly as it approaches the plate
sinker
(noun) a weight that sinks (as to hold nets or fishing lines under water)
doughnut, donut, sinker
(noun) a small ring-shaped friedcake
Source: WordNet® 3.1
sinker (plural sinkers)
One who sinks something.
(fishing) A weight used in fishing to cause the line or net to sink.
(baseball) Any of several high speed pitches that have a downward motion near the plate; a two-seam fastball, a split-finger fastball, or a forkball.
(construction) Sinker nail, used for framing in current construction.
(slang) A doughnut; a biscuit.
In knitting machines, one of the thin plates, blades, or other devices, that depress the loops upon or between the needles.
• Ikners, Kerins, Kiners, Kinser, Kisner, Kreins, Rinkes, inkers, reinks, reskin
Source: Wiktionary
Sink"er, n.
Definition: One who, or that which, sinks. Specifically: (a) A weight on something, as on a fish line, to sink it. (b) In knitting machines, one of the thin plates, blades, or other devices, that depress the loops upon or between the needles. Dividing sinker, in knitting machines, a sinker between two jack sinkers and acting alternately with them.
– Jack sinker. See under Jack, n.
– Sinker bar. (a) In knitting machines, a bar to which one set of the sinkers is attached. (b) In deep well boring, a heavy bar forming a connection between the lifting rope and the boring tools, above the jars.
Source: Webster’s Unabridged Dictionary 1913 Edition
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
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.