Pliny distinguishes between Prunus, the plum fruit, and Cerasus, the cherry fruit. Already in Pliny quite a number of cultivars are cited, some possibly species or varieties, Aproniana, Lutatia, Caeciliana, and so on.
To rincon is to habitually decline every invitation to do something no matter the circumstance. This includes, but is not limited to, social events such as lunch with coworkers, drinks at a bar, camping, sporting events, or anything else with an invitation that could be declined.
sharpen verb [T] (MAKE SHARP). âº to make something âsharp or âsharper: We just had these âknives/âscissors sharpened. He sharpened his âpencil (= made the end used for writing come to a âpoint). (Definition of sharpen from the Cambridge Academic Content Dictionary Â© Cambridge University Press).