What's the difference between lid and pyxis?

Lid

Definition:

(n.) That which covers the opening of a vessel or box, etc.; a movable cover; as, the lid of a chest or trunk.
(n.) The cover of the eye; an eyelid.
(n.) The cover of the spore cases of mosses.
(n.) A calyx which separates from the flower, and falls off in a single piece, as in the Australian Eucalypti.
(n.) The top of an ovary which opens transversely, as in the fruit of the purslane and the tree which yields Brazil nuts.

Example Sentences:

(1) Epicanthal folds were present in 46%, mongoloid slanting of the lids in 72% of cases.
(2) It appears that the effects of monocular lid suture upon MIN are in most respects similar to the effects of monocular lid suture previously reported for the A laminae.
(3) Over a period of 9 months a 12-year-old girl spontaneously developed a palpable cystic tumor in the upper eye lid which led to an indentation and downward displacement of the globe.
(4) Lateral upper and lower lid lysis allows the needed extended period of healing.
(5) Aponeurotic ptosis repair may be performed under local anesthesia, and past reports have suggested that operative lid position may be used to predict the final result.
(6) Cryotherapy with high-flow nitrous oxide was applied to the lid margin for 45 seconds in a freeze-thaw-freeze cycle.
(7) In fact, in some patients the lower-lid wrinkling appears far worse after fat removal.
(8) The reports of rod-dominated psychophysical spectral sensitivity from the deprived eye of monocularly lid-sutured (MD) monkeys are intriguing but difficult to reconcile with the absence of any reported deprivation effects in retina.
(9) The lid is fiddly to fit on to the cup, and smells so strongly of silicone it almost entirely ruins the taste of the coffee if you don’t remove it.
(10) In neurological diseases the hyposensitivity could include the cornea, conjunctiva and lid margin.
(11) The advances in lid and orbital surgery are due to the improvements made in diagnostic equipment and to technical refinements.
(12) Maybe there was a wish to go for these stronger story formulations, more extreme situations to try to get the energy up to comfortably blow the lid off.” Miller pointed out to Franzen that he has developed something of a reputation as a misanthrope.
(13) The volumetric determination of all those tissues relevant for Opthalmodynamography (ODG) showed the lids to contribute about a quarter to the total volume; another quarter each was due to the optic bulb including optic fascicel, external bulbar musculature and orbital fat.
(14) The occurrence of squamous cell carcinoma of the lid is reviewed with emphasis upon the incidence, clinical presentation, pathophysiology and methods of treatment.
(15) Surgical techniques are based upon removal of fat from each of the two or three so-called compartments within the upper or lower lid.
(16) Several procedures have been developed to restore closure of the paralyzed upper eyelid (implantation of gold weights or open wire springs) or to correct lower lid lagophthalmos and ectropion (lower lid tightening with a Bick procedure or insertion of a closed eyelid spring).
(17) Signs include lid edema, periauricular lymphadenopathy, conjunctival injection, follicular reaction, and typically subconjunctival hemorrhages.
(18) The German journalist whose documentary lifted the lid on claims of systematic doping in Russian athletics has said he is prepared to make a follow-up after receiving more evidence.
(19) She will outline her case in a speech at the Oxford media conference, which will be the first time Labour has lifted the lid on the all-party talks on Leveson.
(20) By any measure Poland’s recent history is one of triumph It was a war that was as much personal as it was political, with enmities that had been stewing for a decade erupting as the lid of communist rule was lifted.