Question

read the meanings of the word bolt, then read the sentence.
definition 1. n., a screw for fastening
definition 2. n., a strike of lightning
definition 3. n., a bar that slides to lock something
definition 4. n., a roll of fabric or wallpaper
please make sure you latch the bolt on the window when you close it tonight.
what is the meaning of bolt as it is used in this sentence?
○ definition 1
○ definition 2
○ definition 3
○ definition 4

Explanation:

The sentence refers to latching a "bolt" on a window to secure it, which matches the definition of a sliding bar used for locking.

Answer:

Definition 3