sulku

From Proto-Finnic *sulku (compare Estonian sulg), equivalent to sulkea (“to close, shut”) +‎ -u.

• IPA^(key): /ˈsulku/, [ˈs̠ulku]
• Rhymes: -ulku
• Syllabification^(key): sul‧ku
• Hyphenation^(key): sul‧ku

sulku

1. closing, closure, shutting (act of closing or shutting)
2. block, blockade (something that prevents passing)

   hermeettinen sulku ― hermetic seal

   tiesulku ― roadblock

   ihmissulku ― human blockade

3. blockade (isolation of something)

   Synonym: saarto

4. synonym of sulje (“bracket, parenthesis”) (graphic symbol)

   hakasulku ― square bracket

   suluissa ― in brackets

5. lock (segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels)
6. sluice (artificial passage for water, fitted with a valve or gate)
7. freeze, halt, block

   palkkasulku ― pay freeze

   ydinsulku ― nuclear freeze

8. fault (abnormal connection in an electric circuit)

   maasulku ― earth fault

   oikosulku ― short circuit

9. (arms control) nonproliferation

   ydinsulkusopimus ― nuclear nonproliferation treaty

• “sulku”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎^[1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 3 July 2023