adjective
Crusted with barnacles.
(figurative, by extension) Thickly covered in something, as if with barnacles.
Familiar with the ocean and/or seafaring.
Old and weathered, particularly with respect to persons or things associated with the ocean.
(figuratively) Marked by personal experiences; worldly.
(figuratively) Encumbered with something unnecessary or undesirable, especially through a slow, gradual process of accumulation.
verb
simple past and past participle of barnacle