Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
dentĭcŭlus, i, m. dim. [dens], a little tooth (not ante-Aug.). 
- I.  Lit., Pall. 1, 28, 6; Ap. Mag. p. 278, 9.
 
- II.  Meton. 
 
- A.  An agricultural implement with teeth, Pall. Jun. 2, 4.
 
- B.  In archit., a modillion,  dental, a small ornament between the frieze and the larmier, Vitr. 1, 2; 4, 2.