Definition of rostral
adjective
1 Anatomy situated or occurring near the front end of the body, especially in the region of the nose and mouth or (in an embryo) near the hypophyseal region:the rostral portion of the brain
2 Zoology of or on the rostrum:in these snakes the rostral shield is enlarged and flattened
3(of a column, etc.) adorned with the rams of ancient warships or with representations of these.
