Final answer:
The underlined word 'repine' in the given context means complain.
Step-by-step explanation:
The meaning of the underlined word 'repine' in the given context is complain. In the excerpt, the speaker is stating that no gentleman would complain about paying ten shillings for a good fat child, as it would provide four dishes of excellent nutritive meat. This usage of 'repine' implies discontent or dissatisfaction.