You Collection, Upper Volume
Radical: Speech (yán)
Kangxi Strokes: 13
Page 1158, Entry 16
Pronounced gai (level tone).
Shuowen Jiezi (Shuowen) defines this as a military agreement.
Yu Pian (Jade Chapters) defines this as abundant.
Zeng Yun (Expanded Rhymes) defines this as to carry or contain.
Guang Yun (Broad Rhymes) defines this as to prepare, to be complete, to encompass, and to be all.
Guliang Zhuan (Guliang Commentary on the Spring and Autumn Annals): This is the change of that which is complete, and thus it is spoken of. Annotation: This word means to be prepared.
Book of Han (Hanshu), Treatise on Harmonics and Calendars: It contains and stores the myriad things.
Yangzi Taixuan Jing (Master Yang's Great Mystery): The myriad things are encompassed and combined.
Zhengzitong (True Character Guide): Commonly borrowed as a term for appropriateness, similar to the meaning of fitting. Whenever something should be in such a state, one says this word.
Also a personal name. Zuo Zhuan (Zuo Commentary on the Spring and Autumn Annals), Year 29 of Duke Zhao: Shaohao had four uncles, one was named Gai. Gai was the official known as Rushou. Annotation: This was the Minister of Metal.
Also a surname, found in the Xing Yuan (Garden of Surnames).