11 strokes
                                                    
                        Jouyou kanji
            Taught in 9th grade
    
                                                    JLPT exam level N1
                                            husk, nut shell
Kun'yomi
- か - ら - shell 
- が - ら - chicken bones (e.g. for soup) ②poor-quality coke (coal) ③left-overs 
On'yomi
- カ - ク - shell (e.g. electron shell) 
- コク 
- バイ 
Character Breakdown
References
| Unicode hex code | 6BBB | 
| JIS X 0208 | 1-19-44 | 
| Nelson, A. Classic Nelson | 2456 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 2996 | 
| Halpern, J. New Japanese-English Character Dictionary | 1490 | 
| Halpern, J. Kodansha Kanji Dictionary | 1883 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 1000 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 1354 | 
| Heisig, J. Remembering The Kanji | 710 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 767 | 
| Gakken A New Dictionary of Kanji Usage | 1869 | 
| O'Neill, P.G. Essential Kanji | 1832 | 
| Henshall, K. A Guide To Remembering Japanese Characters | 1075 | 
| Spahn and Hadamitzky Kanji and Kana | 1728 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 1846 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 1455 | 
| Kask, A. Tuttle Kanji Cards | 1451 | 
| Nishiguchi & Kono Kanji in Context | 1626 | 
| Kodansha Kodansha Compact Kanji Guide | 1141 | 
| Maniette, Y. Les Kanjis dans la tete | 717 | 
| Tuttle Dictionary Descriptor Code | 3p8.1 | 
| Four corner code | 4724.7 | 
| De Roo Code | 1468 |