Answer: sea

AnswerCrossword Clue
SEAPoseidon's domain
SEAOverwhelming amount
SEARachel Carson subject
SEARed or Dead
SEA".... Biscuit"
SEADiver's milieu
SEAKind of serpent
SEA.... biscuit
SEABody of salty water
SEAIt makes waves
SEA... cucumber
SEAOcean
SEASubject of a famous part in the Bible
SEAWhat spreads over some beds?
SEAWhere to find a grunion or a hydra
SEAGeneral admission rarity
SEAOne might spend a semester at it
SEASargasso, for one
SEAWhat mare means
SEAWhere buoy meets gull
seaa great body of salt water that covers much of the earth
SEA.. biscuit (hardtack)
SEABering or Beaufort
SEADoddering
SEAMultitude
SEANeptune's domain
SEAPoseidon's realm
SEARay's residence
SEARed or Coral
SEAShipping choice
SEAWord before horse or cow
SEA"... of Love" (Pacino film)
SEA.. legs (nautical steadiness)
SEA.... biscuit (hardtack)
SEABlack or Red
SEABounding main
SEARed or Yellow
SEARoss or Bering
SEASulu, e.g.
SEAWater front?