An Encylopedia Britannica Company

old–line

1 ENTRIES FOUND:
old–line /ˈoʊldˈlaɪn/ adjective
old–line
/ˈoʊldˈlaɪn/
adjective
Britannica Dictionary definition of OLD–LINE
always used before a noun [more old–line; most old–line] US
: having a good reputation because of the high quality of a service, product, etc., that has been provided for many years
: powerful and important in a society for a long time
: supporting traditional policies or practices : not encouraging or liking change within an organization