brain coral
['bustard', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'chain mail, ring mail, mail, chain armor, chain armour, ring armor, ring armour', 'ear, spike, capitulum', 'gasmask, respirator, gas helmet', 'sea lion', 'swab, swob, mop']