ˈlükə(r) noun
( -s )
Etymology: Middle English, from Latin lucrum; akin to Old English lēan reward, Old High German lōn, Old Norse laun (plural) rewards, Gothic laun reward, Old Irish lōg reward, price, Greek leia booty, prey, Sanskrit lotra booty
1.
a. : monetary gain : profit , reward
b. : money
set aside some lucre for shopping and souvenirs — Winston Brebner
2. archaic : the process of gaining : acquisition — used especially in the phrase lucre of gain