Definition of ruck

< ruck

rucksack >

ruck²    (rk) KEY 

VERB:
rucked, ruck·ing, rucks
VERB:
tr.

To make a fold in; crease.

VERB:
intr.

To become creased.

NOUN:

A crease or pucker, as in cloth.

---

ETYMOLOGY:
Ultimately from Old Norse hrukka, wrinkle, fold; see sker-² in Indo-European roots