A stone that can block or obstruct passage.

अवरोधक पत्थर

English Usage: The river was filled with choking stones making it difficult for boats to pass.

Hindi Usage: नदी अवरोधक पत्थरों से भरी थी, जिससे नावों के लिए गुजरना मुश्किल हो रहा था।

To obstruct the airway of someone or something.

सांस रुकना

English Usage: He started to choke on his food and had to cough to clear his throat.

Hindi Usage: वह अपने खाने पर सांस रुकने लगा और अपनी गले को साफ करने के लिए खांसा।