Obsolete form of soot.

Alternative form of shooldarry

(chemistry) The divalent radical formed from two separate hydrogen atoms or ions / (chemistry, modifying a noun) Describing a dihydrogen bond / (inorganic chemistry) The hydrogen molecule H₂

(US, equestrianism) To bite the bit, especially when restless; to champ. / (US, chiefly Midland American English and Western American English) To complain; to rant; to rave.