scaleback

Noun

 * 1)  Any member of numerous species of marine annelids of the  family, with two rows of scales, or elytra, along the back.

Etymology 2
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Noun

 * 1) An operation by which something is scaled back or reduced.
 * Budgetary constraints led to a scaleback in quality.
 * Budgetary constraints led to a scaleback in quality.