Anode or Cathode
This page is the CodyCross answer for the clue below from Trip to Spain, Group 856, Puzzle 3 (Strait of Gibraltar).
Question is: Anode or Cathode
and the answer is: ELECTRODE
Word Meaning:
ELECTRODE — The terminal through which electric current passes between metallic and nonmetallic parts of an electric circuit.
Definitions from Wiktionary.