lǎo tóu
old fellow
old man
father
husband
lǎo tóu zi
(coll.) old man
(said of an aging husband) my old man
lǎo tóu r
see 老頭子|老头子[lao3 tou2 zi5]
lǎo tóu lè
backscratcher (made from bamboo etc)
(may also refer to other products that are of benefit to old people, such as padded cloth shoes, mobility tricycle etc)