Shelfing can be categorized as a verb.
Verb |
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shelf - A flat tablet or ledge of any material set horizontally at a distance from the floor, to hold objects of use or ornament. | ||
shelf - A sand bank in the sea, or a rock, or ledge of rocks, rendering the water shallow, and dangerous to ships. | ||
shelf - A stratum lying in a very even manner; a flat, projecting layer of rock. | ||
shelf - A piece of timber running the whole length of a vessel inside the timberheads. |