[1] : WordNet (r) 2.0

sexual relation
     n : the act of sexual procreation between a man and a woman; the
         man's penis is inserted into the woman's vagina and
         excited until orgasm and ejaculation occur syn: sexual
         intercourse, intercourse, sex act, copulation, coitus,
          coition, sexual congress, congress, relation, carnal
         knowledge
see also:
sexual intercourse intercourse sex act copulation coitus coition 
sexual congress congress relation carnal knowledge 

Relation >> R Words
Relation, definition of term: Relation
relation_pag1.html

Public Relation >> P Words
Public Relation, definition of term: Public Relation
public+relation_pag1.html

Family Relation >> F Words
Family Relation, definition of term: Family Relation
family+relation_pag1.html

Blood Relation >> B Words
Blood Relation, definition of term: Blood Relation
blood+relation_pag1.html