retrancher
Meanings
Verb
1. to deduct, take away, cut out (delete) (transitive)
2. to cut down (intransitive)
3. to cut off (exclude, from e.g. society) (transitive)
4. to kill, to snuff out, to bump off (archaic, transitive)
5. to take shelter (reflexive)
6. to entrench oneself (reflexive, military)
Examples2
retrancher sur l'alcool
cut down [one's] alcohol
Si tu retranches quatre de dix, tu obtiens six.
If you take four from ten, you have six.