Smorterest, "the smorterest place" (N[95],a): see previous entry.
Smoult, "gay, smoult smirking whorecop" (R[214],b), smooth.
Socket, "his wife's socket" (M[8],c), vulva.
Sonde, "God ... send us of His sonde" (M[24],b), message, dispensation.
"Fyve yeer and more, as liked Cristes sonde,
Er that hir schip approched unto londe."
—Chaucer, Cant. Tales (1383), 5322.
Sort (passim), company, assemblage, knot of people, gang: see other volumes of this series.
Sovereigns, "sovereigns I beseech you" (M[3],d; also IP[347],a), i.e. the audience, "Masters," "excellencies": cf. M.E. soverainly = above all.
Sowneth (JE[360],b), soundeth: see other volumes of this series.
Spadibus, "in spadibus" (M[18],c), spades; cf. Breadibus.