a person who is a member of a group, organization, society, etc.
2.
a person belonging to a limited circle of persons who understand the actual facts in a situation or share private knowledge: Insiders knew that the president would veto the bill.
3.
a person who has some special advantage or influence.
4.
a person in possession of corporate information not generally available to the public, as a director, an accountant, or other officer or employee of a corporation.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.