(a) Towards (sb.), to meet (sb.); (b) in front of (sb.), before, facing; (c) against (sb. or sth.), contrary to, in opposition to; (d) in anticipation of (sb. or sth.), in preparation for; (e) in……
(a) With ref. to location or position: around (sth.), about; surrounding (sb. or sth.), encircling; waiten umbe, to look around (oneself)
(b) with ref. to time: about (a time, period of time), at……
(a) Above and touching (sth.); seated on (sth.); also, supported by (sth.); also, based on (reason) [quot. c1450]
(b) riding on (a horse, an animal’s back); also, sitting upon (a bench);
(c) onto……