「King」with「prick trough between two symmetrical halves」referring to a NECKLACE. Pearls in Chinese euphemistically represents droplets of ejaculated semen as both droplets and smeared inside shells as mother-of-pearl, the source of motherhood inside the walls of a cavity with two sets of lips such as clams and oysters (see 貝, the goal of emissions). NECKLACE clearly describes PEARLY DROPS while engaged in mammary intercourse, coitus between a squeezed teat [tit] set with those many pearly drops of semen in flight becoming necklaces, ear adornments, facial cream, and a horrendous nuisance in head hair likened to「falling tree blossom」petals blown by the breeze.
　May describe the「irregular movement of gems」that might occur with a long necklace as the wearer turns or moves. Necklace may also be suggestive of a medical dressing or binding about another sort of neck, used to「hold or string things」together, literally「neck」and「lace」formerly that was a cord or ribbon (literally, a 'noose') wrapped and applied to that other type of neck, shaft to give it support and prevent it from falling apart further, with the string of many pearls resembling a constant drip, drip, dripping falling from the meatus…this is not to suggest that jeweled ornamentation was never worn hanging on one's neck between the shoulders and onto the breasts in ancient times, but rather, to explain the etymology of the word with its subtler, lesser known derivation, similar in function to a codpiece.
　「Throughout much of recorded history, a natural pearl necklace comprised of matched spheres was a treasure of almost incomparable value, in fact the most expensive jewelry in the world. …Before the creation of cultured pearls in the early 1900s, natural pearls were so rare and expensive that they were reserved almost exclusively for the noble and very rich. A jewelry item that today's working women might take for granted, a 16-inch strand of perhaps 50 pearls, often costs between $500 and $5,000. At the height of the Roman Empire, when pearl fever reached its peak, the historian Suetonius wrote that the Roman general Vitellius financed an entire military campaign by selling just one of his mother's pearl earrings.」
　　[　https://www.pbs.org/wgbh/nova/article/history-pearls/ 2022-01-21　]　 therefore, inserting actual long strings of pearls into an orifice or two (one without teeth) and then pulling out the string slowly while in contact with the clitoris is a distinct possibility, an exercise performed by bored and horny harem concubines for personal pleasure after their old lord's manhood had died, or, when scheduled late in the concubine rotation (decidedly「not the king」for that matter), a practice rumored still to be viewable today via the Internet as is most anything else imaginable.

Modern definitions (that generally disregard history) …excluding politically incorrect concepts and other meanings deemed offensive today; may list only pigeonholed definitions, euphemisms, or meaningless mnemonics)
Chinese: necklace
Unihan extended: necklace
EDRDG: string of many pearls