from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Any
objector shapeconsisting of three sides; triangle.
- adjective Having three sides;
from Wiktionary, Creative Commons Attribution/Share-Alike License
From three- + side.
Bates is relishing the part he is playing in Boro's difficult survivalbid, which intensifies tomorrow with the visit of fellow bottom threeside Portsmouth to the Riverside Stadium.