This is the 4687th most frequent Spanish word.
coger
To take, grab, or catch.
Here, 'coger' is used to mean 'to take' or 'to grab' an object.
Voy a coger el bolígrafo.
I am going to take the pen.
In this context, 'coger' is used to mean 'to catch' a form of transportation.
Podemos coger el tren a las tres.
We can catch the train at three.
Here, 'coger' refers to the act of contracting an illness, like 'to catch' a cold.