1. Having two faces or fronts
   "the Roman Janus is bifacial"
   - biface

See also: bidirectional

• thumbprint
• thumbs-down
• thumbs-up
• thumbscrew
• thumbstall
• thumbtack
• thump
• thump out
• thumper
• thumping
• Thunbergia
• Thunbergia alata
• thunder
• Thunder Bay
• thunder lizard
• thunder mug
• thunder snake
• thunderbird
• thunderbolt
• thunderclap
• thundercloud
• thunderer
• thunderhead
• thundering
• thunderous