Context clueDefinition clue
The sentence tells you the meaning directly.
The Thar is arid, which means it gets very little rain.
Very dry, with little or no rain.
Few plants grow in arid land.
Remember: Look for "which means", "is called", "is defined as" or "refers to".
Short lessonReading cluesWhen you meet a new word, the sentence around it often holds clues to its meaning.