(obsolete) Guidance; help. / (chiefly in the plural, now archaic) A polite approach made to another person, especially of a romantic nature; an amorous advance.

(intransitive, obsolete) To prepare oneself. / (intransitive, obsolete) To direct speech. / (transitive, obsolete) To aim; to direct. / (transitive, obsolete) To prepare or make ready.

(biochemistry, genetics) A base, C₅H₅N₅, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA.

(mathematics) An operation, written using the symbol +, that produces the sum of two operands

Initialism of attention deficit disorder. / Initialism of accidental death and dismemberment.

(algebra) An element of an algebraic structure, generally denoted 0, which is an identity for an additive operation (generally denoted +). That is, x + 0 = 0 + x = x for any x in the structure.

Something to be added; especially text added as an appendix or supplement to a document. / A postscript.

(music) A tempo mark directing that a passage is to be played rather slowly, leisurely and gracefully. / (music) A passage having this mark.

(music) Played rather slowly.

(music) Describing a passage having this mark.