Word Study
Solus
CIDE DICTIONARY
Solus, masc. a. [L.].
Alone; -- chiefly used in stage directions, and the like. [1913 Webster]
OXFORD DICTIONARY
Solus, predic.adj. (fem. sola) (esp. in a stage direction) alone, unaccompanied.
Etymology
L
ROGET THESAURUS
Solus
Unity
N unity, oneness, individuality, solitude, isolation, unification, one, unit, ace, individual, none else, no other, one, sole, single, solitary, unitary, individual, apart, alone, kithless, unaccompanied, unattended, solus, single-handed, singular, odd, unique, unrepeated, azygous, first and last, isolated, insular, monospermous, unific, uniflorous, unifoliate, unigenital, uniliteral, unijocular, unimodal, unimodular, lone, lonely, lonesome, desolate, dreary, insecable, inseverable, indiscerptible, compact, indivisible, atomic, irresolvable, singly, alone, by itself, per se, only, apart, in the singular number, in the abstract, one by one, one at a time, simply, one and a half, sesqui-, natura il fece, e poi roppe la stampa, du fort au faible, two souls with but a single thought, two hearts that beat as one.For further exploring for "Solus" in Webster Dictionary Online