1. the part of a plant that grows underground and absorbs water and nutrients
2. the basic cause, source, or origin of something
3. a number that when multiplied by itself produces a given number
Usage: mathematics

1. to grow roots or become established
2. to search through something thoroughly

Examples

• The tree’s roots spread deep into the soil.
• We need to find the root of this problem.
• The square root of 16 is 4.
• The root word ‘run’ appears in ‘running’ and ‘runner’.
• The cutting will root in water within a few weeks.
• She rooted through her bag looking for her keys.
• Money is often considered the root of all evil.
• The plant’s root system helps prevent soil erosion.