2. (v. t.) To lessen; to abridge; to curtail; as, to retrench superfluities or expenses.
3. (v. t.) To confine; to limit; to restrict.
4. (v. t.) To furnish with a retrenchment; as, to retrench bastions.
5. (v. i.) To cause or suffer retrenchment; specifically, to cut down living expenses; as, it is more reputable to retrench than to live embarrassed.