This is a by no means unimportant feature of the Monotype, for it is thus no longer necessary to preserve the heavy, cumbrous, and expensive "plates" of a book in anticipation of a second edition being called for at some future time.— The Building of a Book A Series of Practical Articles Written by Experts in the Various Departments of Book Making and Distributing
It was heavy and cumbrous, and would only retard his progress through the woods.— Army Boys on the Firing Line or, Holding Back the German Drive
The oldest rings known were very large and cumbrous, and they were adorned with stones, sometimes flattened to make seals on wax or clay.— Chatterbox, 1905.
The colonies were more cumbrous, and opinion when expressed was necessarily representative.— Reminiscences of Sixty Years in Public Affairs, Vol. 1
Such a system would be cumbrous, and altogether impracticable.— The Story of the Upper Canada Rebellion

American Heritage Dictionary (1)
Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
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