v. & n.
v. 1 tr. soothe or send to sleep gently. 2 tr. (usu. foll. by into) deceive (a person) into confidence (lulled into a false sense of security). 3 tr. allay (suspicions etc.) usu. by deception. 4 intr. (of noise, a storm, etc.) abate or fall quiet.
n. a temporary quiet period in a storm or in any activity.
[ ME, imit. of sounds used to quieten a child ]