This is the 1371st most frequent Russian word.
рт
The Russian word "рт" does not have meaning on its own; it may be a typographical error or abbreviation. Context is needed.
Here, 'рот' is used as a noun meaning 'mouth', referring to the physical body part.
Врач посоветовал открыть рот широко.
The doctor advised to open the mouth wide.
Here, 'рт' is part of the word 'реке', the dative case of 'река' (river), not directly connected to 'рот' specific meaning.
На берегу реки мы видели редкие растения.
On the riverbank, we saw rare plants.
Here, 'РТ' represents a potential abbreviation, unrelated to 'рот' but interesting to distinguish in context.