under-sean.
/ˈʌndəsiː/, U.S. /ˈəndərˌsi/ rare.
An underlying sea.
ΘΚΠ
the world > the earth > water > sea or ocean > [noun] > underlying
under-sea1626
1626 G. Sandys tr. Ovid Metamorphosis xi. 220 High Tmolus with a steepe ascent vnfolds His rigid browes, and vnder-seas beholds.
This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).
under-seaadj.
1. Situated or lying below the sea or the surface of the sea; submarine.
ΘΚΠ
the world > the earth > water > sea or ocean > region of sea or ocean > [adjective] > below surface
under-sea1613
submarine1626
subsea1883
1613 S. Purchas Pilgrimage v. xiii. 511 The saltnesse of the sea some ascribe..to vnder-earth or under-sea fires of bituminous nature.
1851 Chambers's Jrnl. 27 Dec. 411 Mr. Wheatstone first conceived the possibility of an under-sea telegraph in 1837.
1861 L. L. Noble After Icebergs 256 The noises of the waves at play in the long, concealed, under-sea piazzas.
2. Intended for use below the surface of the sea.
ΘΚΠ
the world > the earth > water > sea or ocean > region of sea or ocean > [adjective] > below surface > intended for use below surface
submarine1647
under-sea1901
1901 Westm. Gaz. 27 Aug. 5/3 The new submarines will be as good as..any under-sea vessel yet constructed.
This entry has not yet been fully updated (first published 1921; most recently modified version published online June 2019).
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n.1626
adj.1613