lutchet
/ˈlʌtʃɪt/noun
- a fitting on the deck of a barge or wherry to which the foot of the mast is fixed, allowing the mast to be lowered by pivoting when passing under bridges（驳船或浅水客货轮的）桅基承座。
词源
early 19th cent.: perhaps from the northern English dialect verb lutch 'lift', or an alteration of LATCHET.