na-adjective, noun which may take the genitive case particle 'no', taru-adjective, adverb taking the 'to' particle
Describes a heavily muscled, powerful physique; often used in literary or emphatic descriptions. Can function adjectivally (な/の/たる) or adverbially (と).
He has a muscular build and looks strong at a glance.
A brawny wrestler stepped into the ring.