RUNNEL Meaning of RUNNEL in English /run"l/ , n.1. a small stream; brook; rivulet. 2. a small channel, as for water. Also, runlet /run"lit/ . [ 1570-80; RUN (n.) + -el dim. suffix ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012