bridling

verb

1. (form-of, gerund, participle, present)present participle and gerund of bridle

noun

1. The act of one who bridles.

   “1809-1812, Maria Edgeworth, Tales of Fashionable Life […] with infinite difficulty in bringing herself to speak on such a subject, after inconceivable bridlings of the head, and contortions of every muscle of her neck, she insinuated to him her fears […]”