(valedictories)
1.
A ~ speech, letter, or performance is one that is intended as a way of saying goodbye when someone leaves another person, a place, or a job. (FORMAL)
...Mr Walker, making his ~ address after two years as chairman.
= farewell
ADJ: usu ADJ n
2.
A ~ is a speech that is given by the student with the highest marks in their class at their graduation ceremony. (AM)
N-COUNT: oft N n