Keyword
What KeyWord is found in the definitions of each of the following?

491 maxi, dirndl, culotte, froufrou, backwrap (5 letters)
492 Tiu, celestial, welkin, empyreal, azure (3 letters)
493 Tiu, welkin, supernal, hypaethral, celestial (3 letters)
494 sopor, couchette, hypnagogic, dreamland, slumber (5 letters)
495 ai, indolence, edentate, sluggard, megathere (5 letters)
496 creep, tardigrade, hunt-and-peck, stupid, sluggish (4 letters)
497 osmatic, mephitis, frowsty, acrid, sharp-nosed (5 letters)
498 nose, frowsty, mephitis, parosmia, olfaction (5 letters)
499 beamish, simper, smirk, dimple, grin (5 letters)
500 periwinkle, whelk, mollusc, heliculture, cochlea (5 letters)

Answers: 491. skirt, 492. sky, 493. sky, 494. sleep, 495. sloth, 496. slow, 497. smell, 498. smell, 499. smile, 500. snail,

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