(~s, ~ing, ~ed)
1.
A ~ is a teacher at a British university or college. In some American universities or colleges, a ~ is a teacher of the lowest rank.
He is course ~ in archaeology at the University of Southampton...
N-COUNT
2.
A ~ is someone who gives private lessons to one pupil or a very small group of pupils.
N-COUNT
3.
If someone ~s a person or a subject, they teach that person or subject.
The old man was ~ing her in the stringed instruments.
...at the college where I ~ed a two-day Introduction to Chairmaking course...
I ~ed in economics.
VERB: V n in n, V n, V in n, also V