Hollow | Mean of hollow in English Dictionary

/ˈhɑːloʊ/

• having nothing inside
1. a hollow log
• curved inward or down
1. hollow [=sunken] cheeks
2. There was a hollow spot in the field.
• not having real value or meaning
1. They achieved a hollow victory over a team missing its best players. [=their victory was not an important or impressive one since the other team was missing its best players]
2. She made hollow promises. [=she made promises she would not keep]
3. Their threats ring hollow. = Their threats have a hollow ring. [=their threats do not seem truthful or sincere]

• weak and without any emotion
1. “It's useless,” he said in a hollow voice.
2. a hollow laugh
• Noun
• a place or area (especially on the ground) that is lower than the area around it
1. a grassy hollow
• an empty space inside of something
1. The owls nested in the hollow of a tree.
• Verb
• to remove the inside of (something)
1. They hollowed the log to make a canoe.
2. a hollowed tree
• to form (something) by digging or cutting the inside of something
1. Workers hollowed out a tunnel through the mountain.
2. He hollowed out a bowl from the wood.