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

571 long johns, Jockey, Skivvies, knickers, balbriggan (9 letters)
572 gizmo, anonymity, cryptogenic, open sentence, terra incognita (7 letters)
573 glen, dale, dell, dingle, ravine (6 letters)
574 wimple, curtain, shroud, chador, yashmak (4 letters)
575 Vesper, Hesperus, Cupid, inner planet, morning star (5 letters)
576 fecund, fertile, fruitful, proliferous, prolific (6 letters)
577 hit list, fall guy, booby trap, sitting duck, practical joke (6 letters)
578 Nike, walkaway, high-five, last laugh, win (7 letters)
579 soundbox, Guarnerius, luthier, fiddle, sourdine (6 letters)
580 ejecta, vent, monticule, clinker, Asama (7 letters)
581 specific gravity, hectolitre, cubage, gill, stere (6 letters)
582 Silures, Snowdon, Cymry, Cambrian, caerphilly (5 letters)
583 gressorial, ambulant, pronograde, amble, pace (9 letters)
584 parietal, bailey, mural, arras, immure (4 letters)
585 alarm, siren, sematic, monition, foretoken (7 letters)
586 bore, seiche, tsunami, whitecap, antinode (4 letters)
587 fibroin, retiary, wolf spider, spinneret, arachnoid (3 letters)
588 jam, niblick, quoin, sphenic, cuneiform (5 letters)
589 squishy, mud, moist, douse, drabble (3 letters)
590 spelt, emmer, bulgur, graham, triticale (5 letters)

Answers: 571. underwear, 572. unknown, 573. valley, 574. veil, 575. Venus, 576. viable, 577. victim, 578. victory, 579. violin, 580. volcano, 581. volume, 582. Wales, 583. walk(ing), 584. wall, 585. warning, 586. wave, 587. web, 588. wedge, 589. wet, 590. wheat,

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