Core
Wick, Pencil Lead, Marrow
noun
The kanji means wick and this word also means wick, but it means things at the core of other long things more often. Things like pencil lead and marrow.
The reading is the same as the one you learned with the kanji.
お買い得だったので、HBのシャー芯を百ケース買いました。
I bought one hundred cases of HB mechanical pencil lead because they were at a bargain price.
An update is needed before you can continue but you have more than one WaniKani tab open.
Finish up what ever you are doing on the other tab(s), then close them to continue.
The update will complete automatically once the other tab(s) are closed.