(~s)
Frequency: The word is one of the 1500 most common words in English.
1.
A ~ is a type of work or activity which requires special training and knowledge.
Most of us will know someone who is always learning new ~s, or studying new fields.
N-COUNT
2.
Skill is the knowledge and ability that enables you to do something well.
The cut of a diamond depends on the ~ of its craftsman.
N-UNCOUNT