Defn: The act of shampooing.

SHAMPOOER
Sham*poo"er, n.

Defn: One who shampoos.

SHAMROCK Sham"rock, n. Etym: [L. seamrog, seamar, trefoil, white clover, white honeysuckle; akin to Gael. seamrag.] (Bot.)

Defn: A trifoliate plant used as a national emblem by the Irish. The legend is that St. Patrick once plucked a leaf of it for use in illustrating the doctrine of the trinity.

Note: The original plant was probably a kind of wood sorrel (Oxalis Acetocella); but now the name is given to the white clover (Trifolium repens), and the black medic (Medicago lupulina).

SHANDRYDAN
Shan"dry*dan, n.

Defn: A jocosely depreciative name for a vehicle. [Ireland]

SHANDYGAFF
Shan"dy*gaff (, n.

Defn: A mixture of strong beer and ginger beer. [Eng.]