There are two sentences below:
- She took a shower in the bathroom.
- He showered in the bathroom.
What is the difference between 'take a shower' and 'shower' in meaning?
There is very little difference in meaning; they are usually just two different ways to express the same thing: someone performed the act of showering.
"She showered in the bathroom" could mean that she regularly or routinely showered in the bathroom; "She took a shower in the bathroom" means that she performed one act of showering in the bathroom.
Take a shower is slightly less formal than shower.
The construction "take a shower" uses take as what's called a light verb in English. A light verb is one that doesn't really carry any meaning by itself, but is used in conjunction with a noun to create a phrase that has meaning. Usually, the light verbs in English are do, take, make, or have.
They both get wet who take a shower and shower.
They stand as though in driving rain
For some variable fraction of an hour.
Most lather, rinse; some lather, rinse, again.