Twig :  (noun)

1: small branch or division of a branch; usually applied to branches of the current or preceding year [syn: branchlet, sprig]
Twig : (verb)
1: branch out in a twiglike manner; "The lightning bolt twigged in several directions"
2: understand, usually after some initial difficulty; "She didn't know what her classmates were plotting but finally caught on" [syn: catch on, get wise, get onto, tumble, latch on, cotton on, get it] ... ( more )

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accept, appendage, arm, bine, bough, branch, branchedness, branchiness, burgeon, catch, catch on, comprehend, craze, cry, deadwood, descry, dig, discern, distinguish, divine, espy, fad, fathom, flagellum, fork, frond, furore, get, grasp, hand, imp, joint, know, leg, limb, link, lobe, lobule, mark, member, mode, note, notice, observe, offshoot, organ, perceive, pinion, rage, ramage, ramification, rumble, runner, sapling, sarment, scion, see, seedling, sense, set, shoot, slip, spear, spray, sprig, sprit, sprout, spur, stem, stick, stolon, style, sucker, switch, tail, take, take in, tendril, thallus, tumble to, understand, vogue, wing,