(idiomatic) To begin an activity immediately and with full commitment.

plural of running back

(sewing) A simple embroidery stitch in which the needle is passed in and out of the fabric in a series of even stitches in a straight row.

A narrow board serving as a step beneath the doors of some cars. / (rail transport) A narrow footway above the driving wheels of some steam locomotives, and along the sides of some diesel locomotives.

present participle of run up the score

(linguistics) The continuous sound of spoken dialogue from which the listener is able to distinguish individual words and sentences.

plural of running board

(preceded by definite article) A dance move popular in the late 1980s to early 1990s, characterized by running movements done in place with hands going in an alternating forward-backward motion.

present participle of run out

A slip knot.