ISOSCELES • DICCIONARIO INGLES.COM • Definition of Isosceles

... Phoebe Ross, from whom the minister had asked a demonstration of the pons asinorum. But the blame for poor Phoebe's bewilderment clearly lay with the minister himself, for in placing the figure upon the board with the letters designating the isosceles triangle he made the fatal blunder of setting the letter B at the right hand side of the base instead of at its proper place at the left, as in the book. The result was that the unhappy Phoebe, ignoring ...

— The Doctor - A Tale Of The Rockies • Ralph Connor