Port lid

(Naut.) a lid or hanging for closing the portholes of a vessel.

See also: Port

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
This is Sony Mobile's first product classified as "waterproof" without a microUSB port lid; it's representative of Sony's commitment to no-compromise usage and durable innovation, said the statement.
Vehicle-exclusive emblems also feature on the fender and charging port lid.
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