plumb
US /plʌm/
UK /plʌm/

1.
2.
menyelami, memahami secara mendalam
understand or explore (a complex or mysterious subject) in depth
:
•
The documentary attempts to plumb the mysteries of the universe.
Dokumentari itu cuba menyelami misteri alam semesta.
•
She spent years trying to plumb the depths of human psychology.
Dia menghabiskan bertahun-tahun cuba menyelami kedalaman psikologi manusia.
1.
tegak, menegak
exactly vertical or true
:
•
The wall was built perfectly plumb.
Dinding itu dibina dengan sempurna tegak.
•
Make sure the post is plumb before you secure it.
Pastikan tiang itu tegak sebelum anda mengikatnya.