Christ·mas·tide 
(krĭsməs-tīd′)
(krĭsməs-tīd′)n.
A Christian festival observed from December 24, Christmas Eve, to January 5, the eve of Epiphany.
- tricameral
- tricarboxylic
- tricarboxylic acid cycle
- trice
- tricentennial
- triceps
- triceratops
- trich-
- trich-
- trichiasis
- trichina
- trichinellosis
- trichinization
- trichinize
- trichinosis
- trichinous
- trichite
- trichitic
- trichlorid
- trichloride
- trichloroacetic acid
- trichloroethane
- trichloroethene
- trichloroethylene
- tricho-