bittern

1. N any wading bird of the genera Ixobrychus and Botaurus, related and similar to the herons but with shorter legs and neck, a stouter body, and a booming call: family Ardeidae, order Ciconiiformes 麻鸦

N

1. N the bitter liquid remaining after common salt has been crystallized out of sea water: a source of magnesium, bromine, and iodine compounds 盐卤