q., quadrans=Farthing; Query; Quintal.
Q., Qu. Query; Question.
Q.A.B. Queen Anne's Bounty.
Q.B. Queen's Bench.
Q.C. Queen's Counsel; Queen's College.
q.d., quasi dicat=As if he should say.
q.e., quod est=Which is.
q.e.d., quod erat demonstrandum=Which was to be demonstrated.
q.e.f., quod erat faciendum=Which was to be done.
q.e.i, quod erat inveniendum=Which was to be found out.