IUD, abdomen, abomasum, acoustical network, bag, barrier, bay window, beerbelly, belly, birth control device, brattice, breadbasket, buffer, buffer state, bulkhead, bumper, capacitor speaker, center, cloison, coaxial speaker, collision mat, condom, cone, contraceptive, contraceptive foam, core, craw, crop, crossover network, cushion, diameter, dissepiment, dividing line, dividing wall, division, dynamic speaker, earphone, electrodynamic speaker, electromagnetic speaker, electrostatic speaker, embonpoint, equator, excited-field speaker, fender, first stomach, full-fidelity speaker, gizzard, gullet, gut, headphone, headset, heart, high-fidelity speaker, high-frequency speaker, honeycomb stomach, horn, interior, interseptum, intrauterine device, kernel, kishkes, loudspeaker, low-frequency speaker, manyplies, mat, maw, mean, median, middle, midmost, midrange speaker, midriff, midsection, midst, monorange speaker, moving-coil speaker, nucleus, omasum, oral contraceptive, pad, panel, paries, partition, party wall, paunch, permanent magnet speaker, pessary, pot, potbelly, potgut, property line, prophylactic, psalterium, pusgut, rennet bag, reticulum, rubber, rumen, second stomach, separation, septulum, septum, shock pad, skin, spare tire, speaker, speaker system, speaker unit, spermicidal jelly, spermicide, stomach, swagbelly, the pill, thick, thick of things, third stomach, triaxial speaker, tum-tum, tummy, tweeter, underbelly, ventripotence, voice coil, waist, waistline, wall, woofer, zone
middle, midst, mediety, mean, medium, middle term, center &c, mid-course, mezzo termine, juste milieu, halfway house, nave, navel, omphalos, nucleus, nucleolus, equidistance, bisection, half distance, equator, diaphragm
, midriff, intermediate, middle, medial, mesial, mean, mid, median, average, middlemost, midmost, mediate, intermediate, equidistant, central, mediterranean, equatorial, homocentric, in the middle, midway, halfway, midships, amidships, in medias res.
interposition, interjacence, intercurrence, intervenience, interlocation, interdigitation, interjection, interpolation, interlineation, interspersion, intercalation, interpenetration, permeation, infiltration, intervention, interference, intrusion, obtrusion, insinuation, insertion, dovetailing, embolism, intermediary, intermedium, go between, bodkin, intruder, interloper, parenthesis, episode, flyleaf, partition, septum, diaphragm
, midriff, dissepiment, party wall, panel, room divider, halfway house, interjacent, intercurrent, intervenient, intervening, intermediate, intermediary, intercalary, interstitial, embolismal, parenthetical, episodic, mediterranean, intrusive, embosomed, merged, between, betwixt, twixt, among, amongst, amid, amidst, mid, midst, in the thick of, betwixt and between, sandwich-wise, parenthetically, obiter dictum.