cross-train \¦ ̷ ̷ ¦ ̷ ̷ \verb Etymology:cross (V) transitive verb : to train (a worker) to do more than one specific job intransitive verb : to engage in different sports or exercises especially for well-rounded health and muscular development • cross-training\ˈ ̷ ̷ ¦ ̷ ̷ ̷ ̷ \noun