Threshold | Mean of threshold in English Dictionary

/ˈθrɛʃˌhoʊld/

• Noun
• a piece of wood, metal, or stone that forms the bottom of a door and that you walk over as you enter a room or building
1. He stepped across the threshold.
2. When they were married he carried her over the threshold. [=he picked her up and carried her into their home when they entered it together for the first time]
• the point or level at which something begins or changes
1. If your income rises above a certain threshold, your tax rate also rises.
2. sounds that are above/below the threshold of hearing [=sounds that are too high/low to be heard]
3. I have a low threshold for boredom. [=I get bored easily]
4. He has a high pain threshold. [=he does not feel pain as easily as other people]
• at the beginning of something or very close to something (such as a new condition, an important discovery, etc.)
1. young people on the threshold of adulthood
2. We are (standing) at the threshold of a great adventure.