Brazilian Wandering Spider (OurBreathingPlanet/Flickr). The Brazilian Wandering spider isnât the worldâs biggest spider with itâs 5.9-inch leg span, but it does have one of the deadliest venoms. This spiderâs venom rarely kills humans, but its bite will make you writhe in pain.
Lock definition, a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc. 2. a contrivance for fastening or securing something. 3. the mechanism that explodes the charge; gunlock. safety (def 4).
A key is a device that is used to operate a lock (such as to lock or unlock it). A typical key is a small piece of metal consisting of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user.