This is the 420th most frequent Croatian word.
radio
The Croatian word "radio" means "radio" (broadcasting device) or "worked" (past tense of "raditi" - to work).
Here, 'radio' is the past tense of the verb 'raditi,' meaning 'he worked.'
On je radio cijeli dan.
He worked all day.
In this case, 'radio' refers to a radio receiver device that plays audio signals.
Sjedio je kraj radio uređaja.
He sat next to the radio device.
Here again, 'radio' is the past tense of the verb 'raditi,' but with the subject 'I,' indicating 'I worked.'