It has several meanings, depending on the context:
1. A sudden powerful rush or increase:
* "There was a surge of excitement in the crowd." (This means the excitement increased suddenly and powerfully.)
* "The stock market experienced a surge in prices." (The prices went up rapidly.)
* "The patient's blood pressure surged." (The blood pressure increased quickly and significantly.)
2. A large wave or swelling of water:
* "The storm brought a surge of seawater onto the beach." (A large wave of water came in from the sea.)
* "The river surged over its banks during the flood." (The water level rose significantly.)
3. To move or increase suddenly and powerfully:
* "The crowd surged forward to see the celebrity." (They moved forward quickly and forcefully.)
* "The demand for new cars surged after the pandemic." (The demand increased suddenly and significantly.)
The specific meaning of "surge" will be clear based on the context in which it's used.