present participle of top-drain

simple past tense and past participle of top-drain

(transitive) To drain the surface of (a field, farm, etc.).

Of the highest quality.

The first position in a ranking.

(collective, colloquial) A group of people who are the leaders or heads of an organization.

(idiomatic) Of the highest quality.

(topology) Having the same dimension as the ambient topological space.

Alternative form of top drawer

Of the highest rank