Inboard is an abbreviation of inbd.
As an adjective inboard
is (nautical) within a ship.
As a noun inboard
is an engine located within the hull of a ship.
As a verb inboard
is to discount a product in order to increase sales.
As an abbreviation inbd is
(nautical) within a ship
nearer the hull (as opposed to outboard)
an engine located within the hull of a ship
a boat with such an engine
to discount a product in order to increase sales
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Acronyms and abbreviations by the Free Online Dictionary