1. One who, or that which, tickles.

2. Something puzzling or difficult.

3. A book containing a memorandum of notes and debts arranged in the order of their maturity. [Com. Cant, U.S.] Bartlett.

4. A prong used by coopers to extract bungs from casks. [Eng.]

TICKLISH
Tic"klish, a.

1. Sensible to slight touches; easily tickled; as, the sole of the foot is very ticklish; the hardened palm of the hand is not ticklish. Bacon.

2. Standing so as to be liable to totter and fall at the slightest touch; unfixed; easily affected; unstable. Can any man with comfort lodge in a condition so dismally ticklish Barrow.

3. Difficult; nice; critical; as, a ticklish business. Surely princes had need, in tender matters and ticklish times, to beware what they say. Bacon. — Tic"klish*ly, adv. — Tic"klish*ness, n.

TICKSEED Tick"seed`, n. Etym: [Tick the insect + seed; cf. G. wanzensamen, literally, bug seed.]

1. A seed or fruit resembling in shape an insect, as that of certain plants.