IPA: /ˈruːt.kæp/
KK: /rutˌkæp/
A group of cells that covers and protects the growing part of a plant's root.
The rootcap helps the root push through the soil as it grows.
Rootcap → The word is formed from "root" (from Old English "wēod", meaning the part of a plant that attaches it to the ground) and "cap" (from Latin "cappa", meaning a covering or hood). The term "rootcap" refers to the protective covering at the tip of a plant's root.
Think of a 'cap' as a protective covering for the 'root' of a plant, which helps you remember that a rootcap is the covering at the tip of a root.
No commonly confused words.