a reflex motion caused by cold or fear or excitement | activities associated with sexual intercourse |
causing to move repeatedly from side to side | the properties that distinguish organisms on the basis of their reproductive roles |
grasping and shaking a person's hand (as to acknowledge an introduction or to agree on a contract) | all of the feelings resulting from the urge to gratify sexual impulses |
a note that alternates rapidly with another note a semitone above it | either of the two categories (male or female) into which most organisms are divided |
frothy drink of milk and flavoring and sometimes fruit or ice cream | |
building material used as siding or roofing | |