suckstone

From suck +‎ stone.

suckstone (plural suckstones)

1. (obsolete) A remora.
   • 1603, Michel de Montaigne, chapter 12, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […], →OCLC:

     [H]is Admirall-gally was in her course staied by that little fish, the Latines call Remora, and the English a Sucke-stone, whose property is, to stay any ship he can fasten himselfe unto.

• unsockets