Fluid in pens (3)
I believe the answer is:
ink
(Other definitions for ink that I've seen before include "It is ejected by cuttlefish" , "Liquid used in printing" , "Writing liquid" , "Squid's means of concealment" , "Fluid from cuttlefish" .)
I believe the answer is:
ink
(Other definitions for ink that I've seen before include "It is ejected by cuttlefish" , "Liquid used in printing" , "Writing liquid" , "Squid's means of concealment" , "Fluid from cuttlefish" .)