Толковый словарь английского языка Oxford English Reference - rostral

adj. 1 Zool. & Bot. of or on the rostrum. 2 Anat. a nearer the hypophysial area in the early embryo. b nearer the region of the nose and mouth in post-embryonic life. 3 (of a column etc.) adorned with the beaks of ancient war-galleys or with representations of these. Derivatives rostrally adv.