20 strokes
                                                    
                        Jouyou kanji
            Taught in 7th grade
    
                                                    JLPT exam level N1
                                            column, handrail, blank, space
Kun'yomi
- てすり 
On'yomi
- ラ - ン - section (e.g. in a newspaper) ②field (in a form, web page, etc.) ③handrail 
Character Breakdown
References
| Unicode hex code | 6B04 | 
| JIS X 0208 | 1-45-83 | 
| Nelson, A. Classic Nelson | 2401 | 
| Haig, J. New Nelson Japanese-English Character Dictionary | 2914 | 
| Halpern, J. New Japanese-English Character Dictionary | 1103 | 
| Halpern, J. Kodansha Kanji Dictionary | 1419 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 754 | 
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 1023 | 
| Heisig, J. Remembering The Kanji | 1628 | 
| Heisig, J. Remembering The Kanji, Sixth Ed. | 1756 | 
| Gakken A New Dictionary of Kanji Usage | 1430 | 
| O'Neill, P.G. Essential Kanji | 1696 | 
| Morohashi Daikanwajiten | 15880P | 
| Henshall, K. A Guide To Remembering Japanese Characters | 1893 | 
| Spahn and Hadamitzky Kanji and Kana | 1202 | 
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 1265 | 
| Hodges & Okazaki Japanese Kanji Flashcards | 1447 | 
| Kask, A. Tuttle Kanji Cards | 1931 | 
| Nishiguchi & Kono Kanji in Context | 1538 | 
| Kodansha Kodansha Compact Kanji Guide | 1118 | 
| Maniette, Y. Les Kanjis dans la tete | 1642 | 
| Tuttle Dictionary Descriptor Code | 4a16.4 | 
| Four corner code | 4792.0 | 
| De Roo Code | 1864 |