Chancre \Chan"cre\, n. [F. chancere. See Cancer.]

(Med.) A venereal sore or ulcer; specifically, the initial lesion of true syphilis, whether forming a distinct ulcer or not; -- called also hard chancre, indurated chancre, and Hunterian chancre.

Soft chancre. A chancroid. See Chancroid.

Source: Webster's Revised Unabridged Dictionary (1913)