to engage in deep thought contemplation
said of a ruminant: to chew again what has been chewed slightly and swallowed
to contemplate (something)
said of a ruminant: to chew the cud
rumination /-ʹnaysh(ə)n/ noun
ruminative /-nətiv/ adj
ruminatively /-nətivli/ adv
ruminator noun
[Latin ruminatus, past part. of ruminari to chew the cud, muse upon, from rumin-, rumen gullet]