a. & adv. | 1. | (Naut.) Inside the line of a vessel's bulwarks or hull; the opposite of |
2. | (Mech.) From without inward; toward the inside; |
Adj. | 1. | inboard - located within the hull or nearest the midline of a vessel or aircraft; "the inboard flaps on the wing" Antonyms: outboard - located away from the midline of a vessel or aircraft; "the outboard section of a wing"; "outboard rigging" |