To announce or record one's own arrival at a hotel, airport etc. / To verify a person's information and record their arrival, such as at a hotel, airport, etc.

(slang) Belonging to a management level, as in a contemporary office hierarchy.

(operations) Of a manufacturing system in which components are delivered at the precise time required, thus minimizing inventory carrying costs.

A moment (of time).

Without any clothing on.

Having started something, one must see it through to its end, rather than stopping short; one must “go the whole hog”.

plural of in-line skate

At or before the time assigned. / (with for) Sufficiently early. / As time passes. / In rhythm. / (in time with) At the same rhythm as. / (music) In the correct tempo.

Dealing with the same matter or subject. / (law) A canon of construction holding that the meaning of an ambiguous law can be determined in light of other statutes on the same subject matter.

(nautical, of a ship) Wide across the hull. / (idiomatic, of a person, especially a female) Wide across the hips, with large buttocks.