D defs.my
Entry 1 sense Webster, 1913

Landlock

/lăn'-dläkˌ/ · Land·lock · IPA /ˈlændˌlɑk/
01 v. t. To inclose, or nearly inclose, as a harbor or a vessel, with land.
  1. 1.
    To inclose, or nearly inclose, as a harbor or a vessel, with land.