To rely for support; to be conditioned or contingent; to be connected with anything, as a cause of existence, or as a necessary condition; -- followed by on or upon, formerly by of.
To trust; to rest with confidence; to rely; to confide; to be certain; -- with on or upon; as, we depend on the word or assurance of our friends; we depend on the mail at the usual hour.
have faith or confidence in; "you can count on me to help you any time"; "Look to your friends for support"; "You can bet on that!"; "Depend on your family in times of crisis"
Depend is a brand name for a sort of adult-sized diapers marketed to those afflicted with urinary or fecal incontinence. It is sold by Kimberly-Clark Corporation. The Depend brand was introduced in 1980; television commercials with actress June Allyson first spotlighted the Depend brand, with Allyson urging adults with incontinence issues to "Get back into life!"