11 strokes
                                                    
                        Jouyou kanji
            Taught in 8th grade
    
                                                    JLPT exam level N1
                                            plug up, obstruct
On'yomi
- チツ 
Character Breakdown
plug up, obstruct
チツ (8th, N1)
hole, aperture, slit
あな ケツ けな (6th, N1)
Contained In
References
| Unicode hex code | 7A92 | 
| JIS X 0208 | 1-35-66 | 
| Nelson, A. Classic Nelson | 3325 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 4200 | 
| Halpern, J. New Japanese-English Character Dictionary | 2288 | 
| Halpern, J. Kodansha Kanji Dictionary | 2853 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 1470 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 1980 | 
| Heisig, J. Remembering The Kanji | 1321 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 1418 | 
| Gakken A New Dictionary of Kanji Usage | 1985 | 
| O'Neill, P.G. Essential Kanji | 1486 | 
| Morohashi Daikanwajiten | 25493 | 
| Henshall, K. A Guide To Remembering Japanese Characters | 1581 | 
| Spahn and Hadamitzky Kanji and Kana | 1716 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 1833 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 1597 | 
| Kask, A. Tuttle Kanji Cards | 1467 | 
| Nishiguchi & Kono Kanji in Context | 1674 | 
| Kodansha Kodansha Compact Kanji Guide | 1456 | 
| Maniette, Y. Les Kanjis dans la tete | 1332 | 
| Tuttle Dictionary Descriptor Code | 3m8.9 | 
| Four corner code | 3010.4 | 
| De Roo Code | 772 |