(intransitive) To await, aspire, desire greatly (something to occur or to be true).

(archaic) On account of, because of.

(archaic) To be appropriate to, to pertain or belong to.

Longitude.

(obsolete) To belong.

likely to remain for a long time

(transitive) To have a desire for (a thing or an event). / (transitive) To miss (someone).

present participle of long

An earnest and deep, not greatly passionate, but rather melancholic desire. / The buying of a financial instrument with the expectation that its value will rise

Used other than figuratively or idiomatically: see as, long. / (idiomatic) Provided that, if, assuming (depending upon some condition or requirement). / (idiomatic) While, Since