1. the main root of a plant that grows straight down and from which smaller roots branch out
Usage: botany
2. a central source or origin from which other things develop
Usage: figurative

Examples

• The carrot’s orange taproot stores nutrients for the plant.
• Oak trees have deep taproots that anchor them firmly in the soil.
• The dandelion’s long taproot makes it difficult to remove completely.
• Education is the taproot of a democratic society.
• The company’s success grew from the taproot of excellent customer service.
• Many desert plants develop extensive taproots to reach underground water.