Chou Collection, Upper Volume
Radical: Mouth (kǒu)
Character: lao
Kangxi Stroke Count: 10
Page 190, Entry 29
Broad Rhymes (Guangyun): Pronounced lao.
Collected Rhymes (Jiyun): Pronounced lao.
Jade Chapters (Yupian): The terms lan-lao and lian-lou.
Collected Rhymes (Jiyun): The terms lan-lao and lian-lou refer to unintelligible speech.
Song Dynasty, Mu Xiu, Remnant Spring Sickened Poem: The wind curtains rustle softly as the swallows chirp (lao lao).
Also, Broad Rhymes (Guangyun): The term lan-lao means to pull or grasp.
Yangzi, Regional Dialect (Fangyan): The term lao means to grasp; in the regions of the southeast and the borders of Zhou and Jin, it is called lao. Lao is also a common colloquial term.
Note: People of Pingyuan are fond of using the term lao.