\Scaph"oid\ (?; 277), a. [Gr. ska`fh a boat + -oid: cf.
F. scapho["i]de.] (Anat.)
Resembling a boat in form; boat-shaped. -- n. The scaphoid
bone.
{Scaphoid bone}
(a) One of the carpal bones, which articulates with the
    radius; the radiale.
(b) One of the tarsal bones; the navicular bone. See under
    {Navicular}.