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ruminant

noun, any artiodactyl mammal of the suborder Ruminantia, the members of which chew the cud and have a stomach of four compartments, one of which is the rumen. The group includes deer, antelopes, cattle, sheep, and goats

ruminate

verb, (of ruminants) to chew (the cud)

run into

verb, to collide with or cause to collide with

Runnymede

noun, a meadow on the S bank of the Thames near Windsor, where King John met his rebellious barons in 1215 and acceded to Magna Carta

run out

verb, to exhaust (a supply of something) or (of a supply) to become exhausted

runt

noun, the smallest and weakest young animal in a litter, esp the smallest piglet in a litter

run to

verb, to be sufficient for