[f. as prec. + -METER.] An instrument for measuring shells and the angles of their spires. Hence Conchometry.

1

1828.  Webster cites Barnes.

2

1837.  A. M. W., in Southern Lit. Jrnl., I. March, 69/1.

        And he who makes a feast of shells;
  In truth I mean no slur;—
What jewel prizes he, but one,
  His dear conchometer?

3

1847.  in Craig.

4