What is the meaning of Trundle?

Ellipsis of trundle bed: A low bed on wheels that can be rolled underneath another bed.

A low wagon or cart on small wheels, used to transport things.

A small wheel or roller.

A motion as of something moving upon little wheels or rollers; a rolling motion.

The sound made by an object being moved on wheels.

A lantern wheel, or one of its bars.

A spool or skein of golden thread (chiefly in the arms of the Embroiderers Company, now the Company of Broderers).

To wheel or roll (an object on wheels), especially by pushing, often slowly or heavily.

To transport (something or someone) using an object on wheels, especially one that is pushed.

To move heavily (on wheels).

To move (something or someone), often heavily or clumsily.

To move, often heavily or clumsily.

To cause (something) to roll or revolve; to roll (something) along.

To roll or revolve; to roll along.

Samuel Johnson, A Dictionary of the English Language, London: W. Strahan, 1755: “TRUNDLE. [] Any round rolling thing.”

Source: wiktionary.org