sap 2 
(săp)
(săp)n.
A covered trench or tunnel dug to a point near or within an enemy position.
v. sapped, sap·ping, saps
v.tr.
To undermine the foundations of (a fortification).
v.intr.
To dig a sap.
[French sape, from saper, to sap, undermine, from Italian zappare, to dig with a mattock or hoe, sap, from zappa, mattock, hoe, from Old Italian, from Late Latin sappa, of unknown origin.]
- take the count
- take the fall
- take the fall/hit
- take the field
- take the floor
- take the heat
- take the hit
- take the law into (one's) own hands
- take the law into one's own hands
- take the law into own hands
- take the liberty
- take the mickey out of
- take the occasion
- take the piss out of
- take the plunge
- take the pulse of
- take the rap
- take the wind out of (one's) sails
- take the wind out of one's sails
- take the wind out of sails
- take time
- take to
- take to heart
- take to heels
- take to (one's) heels