1. Introduction; 2. Forms and declension of cride; 3. Sense of cride: 3.1 Primary sense: the physical heart; 3.2 Cride ‘centre, middle part, focus’ vs. medón and lár; 4. The heart as metaphor for courage; 5. The heart as seat and object of love: 5.1 Cnú and cride; 6. The heart as seat of emotions etc.; 7. ‘Heartbreak’ resulting in death: 7.1 General; 7.2 Deirdre; 7.3 Finnabair; 7.4 Donn Cúailnge; 7.5 Other instances; 8. Welsh parallels.