Englishfor English speakers
thread
Noun
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A thread is a long, very thin, soft material used to join or make cloth.
She pushed the thread through the hole in the needle.
There were loose threads at the bottom of his pants.
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A thread is a process.
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A thread is a group of messages from a discussion on an Internet forum.
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A thread is a structure that allows a screw to be fastened.
thread
Verb
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If you thread something, then you make a string or thread out of it.
lock
Noun
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A lock is a metal thing on a door (or on a window, drawer, etc.) that stops people from opening the door unless they have the right key to open it.
No one will take things from my house. I have a very strong lock on the door.
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A lock is two or more gates (doors) in water to let boats move from lower water to higher water or the other way.
lock
Verb
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Someone locks a door when they close the lock with a key so that no one can come in.
Remember to lock the door when you leave the house.