Just before it was dark, as they passed the great island of sargasso weed... ... that heaved and swung as though the ocean were making love... ... with something under a yellow blanket... ... his small line had been taken by a dolphin... ... and he had brought it into the skiff.
n. A disease of horses, characterized by difficult breathing, with heaving of the flank, wheezing, flatulency, and a peculiar cough; broken wind. [ 1913 Webster ]