ῥῦμα

ατος, τό
A. that which is drawn:
1. τόξου ῥ., i.e. the Persian archers, opp. λόγχης ἰσχύς, i.e. the Greek spearmen, A. Pers. 147 (anap.); ἐκ τόξου ῥύματος from the distance of a bow-shot, X. An. 3.3.15; ἐς τόξου ῥ. Eun. Hist. p.271D.
2. towing-line, Plb. 1.26.14, 3.46.5, al., D.H. 3.44.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project