a type of coffee plant; the other is Robusta.
A specific variety of coffee (Coffea Arabica). Considered to be the best variety of coffee because of its fruity, acidic taste and low caffeine content. Arabica is the most expensive variety of coffee and accounts for nearly all of the specialty coffee market. "Coffea Arabica" is the species name assigned to the coffee tree by European botanist Linnaeus while categorizing the flora of the Arabian peninsula.
the species of coffee bean used by most gourmet roasters. Arabica beans grow only at high altitudes and contain less caffeine than inferior robusta coffees. They are prized for the superior fragrance and flavor characteristics of the coffee they produce.