I. ˈrenə̇t, usu -ə̇d.+V noun
( -s )
Etymology: Middle English, from (assumed) rennen to cause to coagulate (from Old English gerennan, from ge- together + — assumed — rennan to cause to run — akin to Old High German rennen to cause to run, Old Norse renna, Gothic ur rannjan; all from a prehistoric causative of the verb represented by Old English rinnan to run) + -et — more at co- , run
1.
a. : the contents of the stomach of an unweaned calf or other animal
b. : the lining membrane of the stomach (as the fourth stomach of ruminants) used for curdling milk ; also : a preparation of the stomach of animals that is used for this purpose
c. : rennin
d. or rennet bag or rennet stomach : abomasum
2. : something used to curdle milk
vegetable rennet
II. transitive verb
( -ed/-ing/-s )
: to add rennet to (milk) in cheese making to promote formation of curd