Under the microscope, the biologist carefully examined the copepod's mouth cone to understand how it houses the mandibles.

The technician fitted two mouth cones onto the breathing apparatus before the experiment.

She kept mean-mouthing her colleague during the meeting, which made everyone uncomfortable.

Don't mean-mouth your classmates; it hurts them.

She mean-mouthed her coworker during the meeting, and everyone noticed.

During the meeting, he tends to run at the mouth, making it hard to get through the agenda.

The round-mouthed lamprey attached itself to the boat's hull, its circular suction mark leaving a pale patch on the paint.

She covered her mouth with her hand to stifle a giggle.

The coach insisted that all players wear mouth guards during practice.

The artist's unsettling exhibit featured sculptures of mouth-pussies that challenged viewers' sense of intimacy.