(weaponry) A medieval polearm, fitted to a long handle, sometimes with an L-shaped tine or a spike protruding from the side or the end of the blade for tackling the opponent; a bill

plural of complaining

(mathematics) A particular function, gd(x)=2 tan ⁻¹eˣ-𝜋/2.

Third-person singular simple present indicative form of dehydrogenize