The extreme tip of the wing of an aircraft, bird, flying insect, etc. / A part of a shoe, often with brogueing that extends backwards on both sides from the toe / (US) A brogue (shoe)

a large building which contains offices on several floors, often for several firms.

plural of conquistadora

(inorganic chemistry) The radical SiH₃ derived from silane / (organic chemistry) Any similar radical in which one or more of the hydrogen atoms are replaced by organic groups