Denshi Jisho — Online Japanese dictionary

籠城 ろうじょう siege; besieging; confinement; holding a castle
Noun, Suru verb 
老嬢 ろうじょう elderly spinster
Noun 
老鳥 ろうちょう old bird
Noun 
老中 ろうぢゅう member of shogun's council of elders
Noun 
老病 ろうびょう infirmities of old age
Noun 
老夫婦 ろうふうふ old couple; elderly couple
Common word, Noun 
聾唖者 ろうあしゃ deaf and mute person
Noun 
蝋細工 ろうざいく waxwork
Noun 
老紳士 ろうしんし old gentleman; elderly gentleman
Noun 
労組法 ろうそほう (Japanese) Labor Union Law
Noun, Abbreviation 
老大家 ろうたいか venerable authority; elderly master
Noun 
労働歌 ろうどうか songs of labor; songs of labour
Noun 
牢名主 ろうなぬし (Edo-period) head of a prisoners' group
Noun 
老年期 ろうねんき old age
Noun 
老婆心 ろうばしん concern
Noun 
浪費癖 ろうひへき wasteful habits
Noun 
老婦人 ろうふじん old woman
Noun 
労務者 ろうむしゃ laborer; labourer; workman
Noun, Sensitive 
牢屋敷 ろうやしき precinct of a jail; vicinity of a prison
Noun 
牢破り ろうやぶり jailbreak; gaolbreak
Noun, Suru verb 
老練家 ろうれんか veteran; expert
Noun 
臈たける ろうたける 1: to be elegant (usu. of a woman); to be graceful; to be refined;
2: to become well-experienced; to mature
Ichidan verb, Intransitive verb 
臈長ける ろうたける 1: to be elegant (usu. of a woman); to be graceful; to be refined;
2: to become well-experienced; to mature
Ichidan verb, Intransitive verb 
臈闌ける ろうたける 1: to be elegant (usu. of a woman); to be graceful; to be refined;
2: to become well-experienced; to mature
Ichidan verb, Intransitive verb 
牢として ろうとして firmly; strongly
Adverb 
ロウニンアジ giant trevally (Caranx ignobilis)
Noun, Usually written using kana alone 
老人性 ろうじんせい senile
Common word, Na-adjective 

Found 344 words. Page one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13

You can also

Look up kanji details for 楼 ろう.

Try a Yahoo Jisho search for 楼 ろう .
Try a Goo Jisho search for 楼 ろう .
Try a Google search for 楼 ろう .