proboscidate /pɹəˈbɒsɪdeɪt/ adjective1 •Having, or shaped like, a proboscis.The visitor [...] returned several times to the pictures of little Armande in her bath, pressing a proboscidate rubber toy to her shiny stomach or standing up, dimple-bottomed, to be lathered. — 1972 formsmore proboscidate · most proboscidate