Answer: battened

AnswerCrossword Clue
BATTENEDSecured, as hatches
BATTENEDMade watertight, with "down"
BATTENEDThrove.
BATTENEDBoarded up.
BATTENEDSecured, nautical style.
BATTENEDGrew fat
BATTENEDSecured, with "down"
BATTENEDFastened tightly, with "down"
battenedtten
battenedgrow prosperous especially at the expense of another usually used with on
battenedfeed gluttonously
battenedto grow fat
battenedBATTEN, to fasten with strips of wood