1.an item inserted in a written record
2.the act of beginning something new;
they looked forward to the debut of their new product line
3.a written record of a commercial transaction
4.something (manuscripts or architectural plans and models or estimates or works of art of all genres etc.) submitted for the judgment of others (as in a competition);
several of his submissions were rejected by publishers
5.something that provides access (entry or exit);
they waited at the entrance to the garden
6.the act of entering;
she made a grand entrance