1. 桨架：oarhole 桨门 | oarlock 桨架 | oarlock 桨叉

2. 桨叉：oarlock 桨架 | oarlock 桨叉 | oarlock 桨架

3. 桨门：oarlock 桨架 | oarlock 桨门 | oarlockblock 桨叉垫木

4. 浆架：oar propelled lifeboat ==> 划桨救生艇 | oarlock ==> 浆架 | oars ==> 浆,橹

noun

1. a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing

    Synonym: pegpintholetholepinrowlock