(In). Disinterestedly; as a dry question to be resolved without regard to other matters.
“If physiological considerations have any meaning, it will be always impossible for women to view the subject [of women's suffrage] in lyrnine sicco.” - The Nineteenth Century (The Hon: Mra. Chapman April, 1886).
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894