matrass /matˈrəs/

1. A long-necked chemical flask
2. A hard-glass tube closed at one end

• buttery fingers
• buttery-hatch
• buttery-hatches
• buttes
• but that
• butthead
• buttheads
• butt hinge
• butt hinges
• butties
• butt in
• butting
• buttle
• buttock
• buttocked
• buttocking
• buttock-mail
• buttock planes
• buttocks
• button
• button accordion
• button accordions
• button-back
• buttonball
• buttonbush