To create channels for directing the flow of liquid.

(idiomatic) Any of the most likely winners in a contest, election, etc. / (finance, business) One who engages in front running.

plural of runnel

(baseball) A substitute runner, usually brought in to replace a slow runner to increase the chance of that runner scoring.

plural of runner

(Canada, Australia, Ireland) running shoes, sneakers, trainers

plural of runner-up

Alternative spelling of runner-up

plural of runner up

The person who finishes second, or in any position after the first. / Second favourite.