This is the 156th most frequent Tamil word.
கடற
The Tamil word "கடற" means "of the sea" or "pertaining to the sea."
In this sentence, 'கடற' is used as a referring word for the sea (ocean).
அவர் கடறலைக் கண்டு மகிழ்ந்தார்.
He was delighted to see the sea.
In this usage, 'கடற்' or 'கடல்' contextualizes the location of the activity happening near the sea.
நண்பர்கள் கடறுக்கு அருகில் விளையாடினர்.
The friends played near the sea.
Here, 'கடற்' is used as a prefix to describe a voyage related to the sea.