lock
US /lɑːk/
UK /lɑːk/

1.
fechadura, cadeado
a mechanism for keeping a door, lid, or container fastened, typically operated by a key or a combination
:
•
He turned the key in the lock and opened the door.
Ele girou a chave na fechadura e abriu a porta.
•
Make sure you put a strong lock on the gate.
Certifique-se de colocar uma fechadura forte no portão.
2.
eclusa
a section of a canal or river with gates at each end where the water level can be changed to allow boats to go up or down
:
•
The boat slowly entered the canal lock.
O barco entrou lentamente na eclusa do canal.
•
Operating a lock requires careful timing.
Operar uma eclusa requer um tempo cuidadoso.
3.
mecha, cacho
a small, separate bunch of hair
:
•
She had a beautiful lock of hair that fell over her forehead.
Ela tinha uma linda mecha de cabelo que caía sobre a testa.
•
He kept a small lock of his daughter's baby hair.
Ele guardou uma pequena mecha do cabelo de bebê de sua filha.
1.