229 Tri 



Trapezate, Trapezoidal.— Quadrilateral with the 

 jour sides unequal, and none of them perfectly- 

 parallel. In the shape of a trapezium. (L. 

 trapeza, a table, from tetra, four, and poza, foot.) 



Tri-.^ — A Greek and Latin prefix signifying three. 



Triangular. — Having three angles ; in the form of a 

 triangle. (L. tri, and angulus, an angle.) 



Triarticular. — With three joints. (L. tri, and 

 articulus, a joint.) 



Tricarinate. — Having three longitudinal elevated 

 lines. (L. tri, and carina, a keel.) 



Trichodeal. — Sense-hairs; tractile sensillae. (Gr. 

 trichoder, hair ; like hair.) 



Trichotomous. — Dividing by threes. (Gr. tricha, 

 three, and tome, a cutting.) 



Tricuspid, Tricuspidate. — ^Divided into three points; 

 ending in three points. (L. tri, and cuspis, a 

 point.) 



Tridactylous. — Having three toes, or claws. (Gr. 

 tri, three, and daktulos, a toe.) 



Trifasciate. — Furnished with three coloured bands. 

 (L. tri, and fascia, a band.) 



Trifid. — Cleft in three. (L. tri, and findo, to cleave.) 



Trifurcate. — Having three branches or forks. (L. 

 tri, and furca, a fork.) 



Trigonate. — Three-cornered. (L. trigonum, from 

 Gr. trigonon, a triangle.) 



