SKILL

I. intransitive verb Etymology: Middle English skilen, from Old Norse skilja to separate, divide; akin to Old Norse skil distinction Date: 13th century to make a difference ; matter , avail , II. noun see: shell Date: 13th century cause , reason , 2. the ability to use one's knowledge effectively and readily in execution or performance, dexterity or coordination especially in the execution of learned physical tasks, a learned power of doing something competently ; a developed aptitude or ability , see: art ~-less or ~ess adjective ~-lessness or ~essness noun