Bob's flight instructor thinks Bob is ready to solo.
Sally hired a private sailing instructor for the summer.
The instructors at the technology seminar received good evaluations from the attendees.
WordNet 3.0 Sense Numbers: 1
John has a two-year position as an instructor at a local college.
She got promoted to a tenure-track position after serving as an instructor in the history department.
WordNet 0.0 Sense Numbers: 1b