This is the 228th most frequent Czech word.
mám
"I have."
Here, 'mám' means 'I have' and is used to express possession.
Mám knihu.
I have a book.
'Mám' is used in the phrase 'mám hlad', which translates indirectly to 'I have hunger' but means 'I am hungry' in English.
Mám hlad.
I am hungry.
In this sentence, 'mám' is part of the expression 'mám pravdu', which literally translates to 'I have truth' and means 'I am correct.'