(~s)
1.
A ~ is a man who is a member of the lowest rank of the nobility. (BRIT)
...their stepfather, Baron Michael Distemple.
N-COUNT; N-TITLE
2.
You can use ~ to refer to someone who controls a large amount of a particular industry or activity and who is therefore extremely powerful.
...the battle against the drug ~s.
...the British press ~s.
N-COUNT: with supp, usu n N