DuckCorp Dico

Found one definition

1.                 From en.wiktionary.org:
                   
   
   
                   
                     
   
   ** English
   
   *** Verb
   [en]
   
    1. [en]
   *** Noun
   [en-noun]
   
    1. An opening  through or into which fluid  or other material can flow .
    2. *  1961 , _SAE Technical Paper Series_  (issues 391-420)
    3. *: [...]   PORTINGS  distributed radially about the housing bore. It then is necessary only to arrange six equally spaced  PORTINGS  at the outside diameter of the control sleeve which rotates within the housing, and to size these  PORTINGS  [...]
    4. * {{ quote-journal | en | year=1962 | journal=Official Gazette of the United States Patent Office | page=1224
   |passage=[...] PORTINGS in said tracer valve to said cylinder inlet port in
   said servo valve unit for actuating said servo valve member from said set
   position to control fluid flow through said inlet and outlet PORTINGS in said
   servo valve unit [...]}}
   
   *** Anagrams
   
    - [en]