• (a.) Performing like a ropedancer. • (a.) Narrow, like the walk of a ropedancer.
Fu·nam'bu·la`to·ry adjective 1. Performing like a ropedancer. Chambers. 2. Narrow, like the walk of a ropedancer. « This funambulatory track.» Sir T. Browne. 
funambulatory 1. Pertaining to rope-walking. 2. Narrow, like the walk of a ropedancer. 3. Performing like a rope dancer.