This is the 12956th most frequent Turkish word.
kalemi
"Kalemi" means "the pen" or "his/her pen" in Turkish, depending on context.
In this sentence, "kalemi" refers to a definite singular possession indicated by the possessive suffix "-i" attached to "kalem" (pen).
Onun kalemi masada.
His/her pen is on the table.
Here, "kalemi" is used with the accusative ending "-i" to denote the specific pen being requested.
Ali, kalemi verir misin?
Ali, could you hand me the pen?
In this case, "kalemi" includes the possessive "-i" to show ownership and refers to a specific pen, emphasizing its quality.