Definition of trundling:
(v) :
(transitive) To wheel or roll (an object on wheels), especially by pushing, often slowly or heavily.
(v) :
To transport (something or someone) using an object on wheels, especially one that is pushed.
(v) :
(transitive) To move (something or someone), often heavily or clumsily.
(v) :
(intransitive) To move heavily (on wheels).
(v) :
(intransitive) To move, often heavily or clumsily.
(n) :
A motion as of something moving upon little wheels or rollers; a rolling motion.