Related Clues:

• Nothing; freezing point (in degrees centigrade)
• Drain constructed for lowest point
• Love someone extremely unimportant
• Last cargo vessel?
• Athenian weaver (AMND)
• The pits in roads terrible? Not so bad!
• Nought, nothing
• Least possible amount
• England reached it in Spain last week
• Too Low For ---- (Elton John album)
• Given lowest place in navy, princess flipped
• Drain off into the depths
• Least amount possible
• British saying about mechanic, for instance
• Bottom of drain collapsing