Lewis Short
ĭnambŭlātĭo (noun F) : inambulo.
* A walking up and down on the rostra (of orators; rare but class.),Auct. Her. 3, 15, 27; Cic. Brut. 43, 158. — Poet.: tremuli lecti, a moving or shaking to and fro, Cat. 6, 11.
* Transf., a place to walk in, a walk, promenade, Vitr. 1, 3; Plin. 14, 1, 3, § 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary