snug 1 
(snŭg)
(snŭg)adj. snug·ger, snug·gest
1. Comfortably sheltered and warm; cozy: The children were snug in their beds.
2. Small but well arranged: a snug apartment. See Synonyms at comfortable.
3.
a. Closely secured and well built; compact: a snug little sailboat.
b. Close-fitting: a snug jacket.
c. Nautical Seaworthy.
4.
a. Offering freedom from financial worry: a snug living.
b. Safe; secure: a snug hideout.
v. snugged, snug·ging, snugs
v.tr.
To make snug or secure.
v.intr.
Phrasal Verb: To nestle; snuggle.
snug down Nautical
To prepare (a vessel) to weather a storm, as by taking in sail or securing movable gear.
[Of Scandinavian origin; akin to Swedish snygg, neat, trim.]
snug, snugly adv.
snugness n.