'Inboard' definitions:
Definition of 'inboard'
From: WordNet
adjective
Located within the hull or nearest the midline of a vessel or aircraft; "the inboard flaps on the wing" [ant: outboard]
Definition of 'Inboard'
From: GCIDE
- Inboard \In"board`\, a. & adv.
- 1. (Naut.) Inside the line of a vessel's bulwarks or hull; the opposite of outboard; as, an inboard engine; an inboard cargo; haul the boom inboard. [1913 Webster]
- 2. (Mech.) From without inward; toward the inside; as, the inboard stroke of a steam engine piston, the inward or return stroke. [1913 Webster]