A battle where one side holds a place that can be defended while the other side traps them in. 5 letters. 2nd letter is I.

A battle where one side holds a place that can be defended while other side traps them in is siege.

Explanation:

Siege is a military operation where enemy force surround a building or a town, they cut off important supplies and the main aim is to make insiders to surrender. Mediterranean people were the first who used siege machinery known as Carthaginians. According to the data provided during the twentieth century where siege lasted for one year, but if the siege drags for more than one year it favors that side that is under siege.

A battle where one side holds a place that can be defended while other side traps them in is Siege.

Explanation:

The word Siege is derived from the Middle English word 'Sege' which means Blockade.

The term Siege warfare is used to refer the medieval military operations that involved surrounding and blocking a town, fortress and castle by an army with the intention of capturing it.

The main difference between the term battle and siege is that battel refers to an encounter / fight between the opposing armies at a specific time period/frame whereas seige refers to an encounter in which the surroundings of a town, fortress and castle is blocked by the army in order to make the inhabitants surrender

So we can say that - A battle where one side holds a place that can be defended while other side traps them in is Siege.