dēcursus (noun M) : decurro
* A running down, downward course, descent; declivity (class.).
* Lit.
* In gen.: montibus ex altis magnus decursus aquaï,Lucr. 1, 284; 5, 264; 944; Ov. M. 15, 266: rapidus (amnium),Verg. A. 12, 523: navium, Frontin. Strat. 1, 5, 6: planitiei, descent, inclination, Auct. B. Hisp. 29; hence concr.,a descending aqueduct,Vitr. 8, 7: secus decursus aquarum,Vulg. Psa. 1, 3.
* Trop.
* Milit. t. t., a manoeuvring, evolution, hostile attack, Liv. 1, 27; 42, 52; Tac. A. 2, 55; 12, 55; Frontin. Strat. 2, 2, 2 al.
* Transf., a running in armor, περιδρομή, on the occasion of a festival, Liv. 40, 9; Pers. 6, 61; Gell. 7, 3, 52; cf. decurro and decursio.
* The completion, end of a course: destitit ante decursum, neque eo secius coronatus est,Suet. Ner. 24.
* In gen., a course: facilior erit mihi quasi decursus mei temporis,a course, career,Cic. Fam. 3, 2, 2: si forensium rerum labor decursu honorum et jam aetatis flexu constitisset,i. e. after administering every grade of office,id. de Or. 1, 1, 1.
* Rhetor. t. t., the rhythmical movement of a verse, Quint. 9, 4, 115; 11, 2, 25.

dēcursus, a, um, Part., from decurro.

s. TLL