has particulars: blastocele, blastocoel, blastocoele, cleavage cavity, segmentation cavity, archenteron, sinus, locule, loculus, lumen, socket, pulp cavity, cranial orbit, eye socket, orbit, orbital cavity, buccal cavity, antrum, cloaca, vestibule, mediastinum, middle ear, tympanic cavity, tympanum, pleural cavity, chamber, cranial cavity, intracranial cavity, amniotic cavity, greater peritoneal sac, peritoneal cavity, bursa omentalis, lesser peritoneal cavity, omental bursa, pericardial cavity, pericardial space, vacuole, ventricle, sac, uterine cavity, nasal cavity, nasopharynx, oropharynx, laryngopharynx, blind gut, caecum, cecum, tubular cavity, armpit, axilla, axillary cavity, axillary fossa, chest cavity, thoracic cavity, abdomen, abdominal cavity, pelvis, renal pelvis, pelvic cavity, celom, celoma, coelom, fossa, pit

is a part of body, organic structure, physical structure

is a kind of anatomical structure, bodily structure, body structure, complex body part, structure

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CIDE DICTIONARY

cavity, n. [L. cavus hollow: cf. F. cavité.].

Hollowness. [1913 Webster]
"The cavity or hollowness of the place." [1913 Webster]
A hollow place; a hollow; as, the abdominal cavity. [1913 Webster]
"An instrument with a small cavity, like a small spoon" [1913 Webster]

"Abnormal spaces or excavations are frequently formed in the lungs, which are designated cavities or vomicæ." [1913 Webster]

Body cavity, the cœlum. See under Body.

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OXFORD DICTIONARY

cavity, n. (pl. -ies)
1 a hollow within a solid body.
2 a decayed part of a tooth.

Idiom

cavity wall a wall formed from two skins of brick or blockwork with a space between.

Etymology

F cavit{eacute} or LL cavitas f. L cavus hollow

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THESAURUS

cavity

abysm, abyss, alveolation, alveolus, antrum, aperture, armpit, arroyo, basin, booth, bowl, box, box canyon, breach, break, broaching, canyon, cell, cellule, chamber, chap, chasm, check, chimney, chink, clearing, cleft, cleuch, clough, col, compartment, concave, concavity, coulee, couloir, crack, cranny, crater, crevasse, crevice, crib, crypt, cup, cut, cwm, deep, defile, dell, depression, depth, dike, dip, disclosure, ditch, donga, draw, enclosed space, excavation, fault, fenestra, fissure, fistula, flaw, flume, fold, follicle, fontanel, foramen, fracture, funnel chest, furrow, gap, gape, gash, gat, gorge, groove, gulch, gulf, gully, hiatus, hold, hole, hollow, hollow shell, incision, inlet, interval, joint, kloof, lacuna, laying open, leak, manger, moat, notch, nullah, opening, opening up, orifice, outlet, pass, passage, passageway, pew, pit, pocket, pore, punch bowl, ravine, rent, rift, rime, rupture, scissure, scoop, seam, shaft, shell, sink, sinus, slit, slot, socket, space, split, stall, stoma, throwing open, trench, trough, uncorking, unstopping, vacuity, valley, vault, void, vug, wadi, well, yawn, yawning abyss

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ROGET THESAURUS

cavity

Concavity

N concavity, depression, dip, hollow, hollowness, indentation, intaglio, cavity, dent, dint, dimple, follicle, pit, sinus, alveolus, lacuna, excavation, strip mine, trough, honeycomb, cup, basin, crater, punch bowl, cell, socket, valley, vale, dale, dell, dingle, combe, bottom, slade, strath, glade, grove, glen, cave, cavern, cove, grot, grotto, alcove, cul-de- sac, gully, arch, bay, excavator, sapper, miner, honeycomb (sponge), depressed, alveolate, calathiform, cup-shaped, dishing, favaginous, faveolate, favose, scyphiform, scyphose, concave, hollow, stove in, retiring, retreating, cavernous, porous, infundibul, infundibular, infundibuliform, funnel shaped, bell shaped, campaniform, capsular, vaulted, arched.

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