SEA FOWL n.
Any bird which habitually frequents the sea, as an auk, gannet, gull, tern, or petrel; also, all such birds, collectively.
SEGMENTATION n.
of which the future animal is to be formed. This constitutes regular segmentation. Quite frequently, however, the equality and regularity of cleavage is interfered with by the presence of food yolk, from which results unequal segmentation. See Holoblastic, Meroblastic, Alecithal, Centrolecithal, Ectolecithal, and Ovum…
SIREN n.
One of three sea nymphs, -- or, according to some writers, of two, -- said to frequent an island near the coast of Italy, and to sing with such sweetness that they lured mariners to destruction. Next where the sirens dwell you plow the seas; Their song is death, and makes destruction please. Pope.