Choose the meaning of the bold word.

... those were pterodactyls soaring with cavernous gray wings, gigantic bats of DELIRIUM and night fever. (A sound of thunder)
blindness
crazed thoughts
hunger
spellbound

crazed thoughts

The meaning of the bold word "delirium" in this context is **crazed thoughts**.

To determine the meaning of the bold word "delirium" in the given sentence, we can use the context clues provided. The sentence mentions "pterosaurs soaring with cavernous gray wings" and describes them as "gigantic bats." Additionally, the phrase "night fever" suggests a sense of excitement or wildness in the air. Based on these clues, we can infer that "delirium" in this context refers to a state of extreme excitement, frenzy, or madness. Therefore, the correct meaning of the bold word is "crazed thoughts."