Without a companion or instructor. / (music) Of, or relating to, a musical solo.

Alone, without a companion.

(music) To perform a solo. / To perform something in the absence of anyone else. / (Gaelic football) To drop the ball and then toe-kick it upward into the hands.

A solid produced by taking a particular two-dimensional curve and rotating it through 360° about an axis. The curve will sweep out a surface, and the region inside the surface defines a solid.

(religion, specifically Christianity) Of or pertaining to religious ceremonies and rites; (generally) religious in nature; sacred.

shotgun cartridge with a single projectile

Comfort or consolation in a time of loneliness or distress. / A source of comfort or consolation.

(transitive) To give solace to; comfort; cheer; console. / (transitive) To allay or assuage. / (intransitive) To take comfort; to be cheered.

(geometry) The three-dimensional analog of an angle, equivalent to the area of that portion of the surface of a unit sphere that it subtends.

An erroneous or improper usage. / (grammar) Error in the use of language. / (by extension) A faux pas or breach of etiquette; a transgression against the norms of expected behavior.