主しゅ根こん

noun

main root; taproot

Botanical term for the primary root that grows vertically downward and from which smaller lateral roots branch.

• ニンジンの主しゅ根こんは太ふとくて長ながい。

  The taproot of a carrot is thick and long.

• 主しゅ根こんが深ふかく伸のびる植しょく物ぶつは乾かん燥そうに強つよい。

  Plants with deep-growing taproots are drought-resistant.