What does affection mean?
The definition of affection
Af*fec”tion, n.
Etym: [F. affection, L. affectio, fr. afficere. See Affect.]

1 The act of affecting or acting upon; the state of being affected.
2 An attribute; a quality or property; a condition; a bodily state; as, figure, weight, etc. , are affections of bodies. “The affections of quantity.” Boyle. And, truly, waking dreams were, more or less, An old and strange affection of the house. Tennyson.
3 Bent of mind; a feeling or natural impulse or natural impulse acting upon and swaying the mind; any emotion; as, the benevolent affections, esteem, gratitude, etc. ; the malevolent affections, hatred, envy, etc.; inclination; disposition; propensity; tendency. Affection is applicable to an unpleasant as well as a pleasant state of the mind, when impressed by any object or quality. Cogan.
4 A settled good will; kind feeling; love; zealous or tender attachment; — often in the pl. Formerly followed by to, but now more generally by for or towards; as, filial, social, or conjugal affections; to have an affection for or towards children. All his affections are set on his own country. Macaulay.
5 Prejudice; bias. [Obs.] Bp. Aylmer.
6 (Med.)
Disease; morbid symptom; malady; as, a pulmonary affection. Dunglison.
7 The lively representation of any emotion. Wotton.
8 Affectation. [Obs.] “Spruce affection.” Shak.
9 Passion; violent emotion. [Obs.] Most wretched man, That to affections does the bridle lend. Spenser.

Synonyms
— Attachment; passion; tenderness; fondness; kindness; love; good will. See Attachment; Disease.