piggyback /pigˈi-bak/ or pickaback /pikˈə-bak/, also pickback /pikˈbak/ or pickapack /pikˈə-pak/

1. (carried) on the back and shoulders of someone like a pack
2. On something, or as an addition to something

1. On the back like a pack
2. Of or for a piggyback
3. (of a vehicle or plane) conveyed on top of another
4. Of or relating to a surgical procedure that leaves the patient's own heart functioning along with a transplanted heart

A ride on someone's back

1. To carry by piggyback
2. To attach or append

piggyback or (pickaback) plant noun

A popular name for the perennial plant Tolmiea menziesii, which produces plantlets at the base of the leaf

• sounding rods
• soundings
• soundless
• soundlessly
• soundly
• soundman
• soundmen
• sound mixer
• sound mixers
• soundness
• soundnesses
• sound off
• sound poem
• sound poems
• sound poet
• sound poets
• sound post
• sound posts
• soundproof
• soundproofed
• soundproofing
• soundproofings
• soundproofs
• sound radio
• sound ranging