English

Adjective

updrainage ‎(comparative more updrainage, superlative most updrainage)

1. Upstream in the direction of drainage.
   • 1988 April 15, James Krohe Jr., “Where Has All the Flora Gone?”, in Chicago Reader:

     The likely reason that the plant went belly up at that site was that a housing development went in updrainage of the site.

Related terms

• downdrainage
• upgradient
• upslope
• upstream