(n.) Relationship by marriage (as between a husband and his
wife's blood relations, or between a wife and her husband's blood
relations); -- in contradistinction to consanguinity, or relationship
by blood; -- followed by with, to, or between.
(n.) Kinship generally; close agreement; relation; conformity;
resemblance; connection; as, the affinity of sounds, of colors, or of
languages.
(n.) Companionship; acquaintance.
(n.) That attraction which takes place, at an insensible
distance, between the heterogeneous particles of bodies, and unites
them to form chemical compounds; chemism; chemical or elective affinity
or attraction.
(n.) A relation between species or highe/ groups dependent on
resemblance in the whole plan of structure, and indicating community of
origin.
(n.) A superior spiritual relationship or attraction held to
exist sometimes between persons, esp. persons of the opposite sex;
also, the man or woman who exerts such psychical or spiritual
attraction.