Locksmith

Origin

lock + smith

Full definition of locksmith

Noun

1. one who studies or practices locksmithing
• 1897, Bram Stoker, Dracula Chapter 21Piccadilly, 12:30 o'clock.--Just before we reached Fenchurch Street Lord Godalming said to me, "Quincey and I will find a locksmith. You had better not come with us in case there should be any difficulty. For under the circumstances it wouldn't seem so bad for us to break into an empty house.
2. (gambling, slang) someone who only bets when they are sure they will win

Synonyms

• (gambling) handcuff artist slang