How to read: とこがため
Pronunciation: 
Names and idioms with total stroke of 15:
上秋丸 琉文 武邑 目鬼 覚巳
Names and idioms similar to 床固:
固 浮世床 小床几 固有振動 堆積鉱床
Yojijukugo(idioms with 4 Kanji characters) including 床固:
用心堅固 志節堅固 闘諍堅固
Idioms including 床固:
頭が固い 床に就く 身を固める