This is the 774th most frequent Czech word.
sedmi
The Czech word "sedmi" means "seven" (in a specific grammatical form, such as dative or locative singular, or genitive plural).
Cardinal number representing the quantity seven.
Na stole bylo sedmi jablky.
There were seven apples on the table.
Ordinal representation related to time (seven o'clock).
Setkali jsme se ve sedmi hodin.
We met at seven o'clock.
Cardinal number used to indicate instances (seven cases).