/day byooh", di-, day"byooh, deb"yooh/ , n.
1. a first public appearance on a stage, on television, etc.
2. the first appearance of something, as a new product.
3. (of a young woman) a formal introduction and entrance into society, as at an annual ball.
4. the beginning of a profession, career, etc.
v.i.
5. to make a debut, as in society or in a performing art: She decided to debut with several other violinists.
6. to appear for the first time, as on the market: A new product will debut next month.
v.t.
7. to perform (something) for the first time before an audience: He didn't know when the orchestra would debut his new symphony.
8. to place on the market for the first time; introduce.
adj.
9. of, pertaining to, or constituting a first appearance: a debut performance; a debut record album.
Also, début .
[ 1745-55; début, deriv. of débuter to make the first stroke in a game, make one's first appearance, equiv. to dé- DE- + -buter, v. deriv. of but goal; see BUTT 2 ]