security measure security measure

noun

an electrical device that sets off an alarm when someone tries to break in  ( security, security measure, security system )
an electrical device that sets off an alarm when someone tries to break in

 central chimpanzee central chimpanzee

noun

black-faced chimpanzees of central Africa; closely related to eastern chimpanzees  ( central chimpanzee, Pan troglodytes troglodytes )
black-faced chimpanzees of central Africa; closely related to eastern chimpanzees

 woodchuck woodchuck

noun

reddish brown North American marmot  ( groundhog, Marmota monax, woodchuck )
reddish brown North American marmot

 freestone freestone

noun

fruit (especially peach) whose flesh does not adhere to the pit  ( freestone )
fruit (especially peach) whose flesh does not adhere to the pit