An apparently random selection of words
Autacoid: any natural internal secretion. esp. one that exerts an effect similar to a drug.
Circumlocution: 1. an indirect way of expressing something. 2. an indirect expression.
Mansard Roof: a roof having two slopes on both sides and both ends, the lower slopes being steeper than the upper. Compare Gambrel Roof.
Mellifluous: (of sounds or utterances) smooth or honeyed, sweet.
Nadir: 1. the point on the celestial sphere directly below an observer and diametrically opposite the zenith. 2. the lowest of deepest point; depths: 'The nadir of despair'.
Otiose: 1. serving no useful purpose: 'Otiose language'. 2. (rare) indolent, lazy.